O8FLONCDMA Communicator

[cover] Sprint PCS ® The clear alternative to cellular. SM www.sprintpcs.com Copyright © 2002 Sprint Spectrum L.P. All rights reserved. No reproduction in whole or in part without prior written approval. Sprint, Sprint PCS, Sprint PCS Wireless Web, Sprint PCS Wireless Web Mail, Sprint PCS Wireless Web Short Mail and the diamond logo are trademarks of Sprint Communications Company L.P. All other trademarks are property of their respective owners. Portions copyright © 2002 Handspring, Inc. All rights reserved. Handspring, Treo, and the Treo logo are trademarks of Handspring, Inc. and may be registered in some jurisdictions. Blazer and the Handspring logo are trademarks of Handspring, Inc., are registered trademarks in the U.S.A., and may be registered in other jurisdictions. Palm OS and HotSync are registered trademarks and Palm and the Palm Powered logo are trademarks of Palm, Inc. and are used by Handspring under license. All other trademarks and trade names are the property of their respective owners. Printed in the U.S.A. Table of Contents How to Use This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i Getting Extra Phone and Service Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii Setting Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix 1. Your New Sprint PCS Treo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Your Phone’s Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2. Turning Your Phone On and Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Turning Wireless Mode ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Turning Wireless Mode OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Turning Handheld Mode ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Turning Handheld Mode OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3. Using the Charger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4. Adjusting the Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5. Using the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Entering text . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Entering accented characters and symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Using Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Using the keyboard backlight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 6. Getting to Know the PhoneBook Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 7. Making and Receiving Calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Making a call from the Speed Dial, Contacts, or Call History views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Making a call from the Dial Pad view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Answering calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Sending calls to voicemail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Working with active calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Ending a call . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 8. Internal Phone Book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Entering and saving contact information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Finding or changing contact information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Deleting a contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Defining speed dial buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 9. Controlling Your Roaming Experience . . . . . . . . . . . . . . . . . . . . .…

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Section 27 Performance and Safety 49 Caring for and Protecting Your Phone Battery The guidelines listed below help you get the most out of your battery’s performance. Use only Sprint-approved chargers. These chargers are designed to maximize battery life. Using other chargers voids your warranty and may cause damage. In order to avoid damage, charge the battery only in temperatures that range from 32º F to 113º F (0º C to 45º C). Don’t use the battery charger in direct sunlight or in high humidity areas, such as the bathroom. Keep the metal contacts on the bottom of the phone clean. The battery may need recharging if it has not been used for a long period of time. Don’t store the battery in high temperature areas for long periods of time. It’s best to follow these storage rules: 32º F to 122º F (0º C to 50º C) Acknowledging Special Precautions and the FCC Notice FCC Notice This phone may cause TV or radio interference if used in close proximity to receiving equipment. The FCC can require you to stop using the phone if such interference cannot be eliminated. Vehicles using liquefied petroleum gas (propane or butane) must comply with the National Fire Protection Standard (NFPA-58). For a copy of this standard, contact the National Fire Protections Association, One Batterymarch Park, Quincy, MA 02269, Attn: Publication Sales Division. Cautions Any changes or modifications to your phone not expressly approved in this document could void your warranty for this equipment and void your authority to operate this equipment. Only use approved batteries, antennas, and chargers. Although your phone is quite sturdy, it is a complex piece of equipment and can be broken. Avoid dropping, hitting, bending or sitting on it. Exposure to Radio Frequency Energy (SAR) In order to comply with FCC RF exposure safety guidelines, users MUST use a Sprint-approved body-worn accessory during body-worn operation. Use of accessories not approved by Sprint or that have not been tested for RF exposure compliance with this product may not comply with the FCC RF exposure safety guidelines and should not be used. See http://www.fcc.gov/oet/rfsafety for more information on RF exposure safety. Sprint Start.book Page 49 Monday, June 17, 2002 8:57 AM

To: Tim Johnson American TCB 31 July 2002 From: David Waitt Handspring, Inc. To Tim Johnson American TCB Regarding: FCC ID: O8FLON Applicant: Handspring, Inc. Correspondence Reference Number: 4804 731 Confirmation Number: TC583440 Date of Original Email: 07/29/2002 Tim, In response to the FCC request for a corrected SAR statement I am providing this page from the users manual that contains the SAR statement. At this time I cannot provide the entire user manual due to the fact that it contains some “marketing sensitive” material. The complete manual will be available for upload at a later date, after product launch, if required. I hope, for the time being, this satisfies the FCC’s requests. Sincerely, David Waitt Regulatory Engineer Handspring, Inc. Handspring, Inc. 189 Bernardo Ave. Mountain View, CA 94043

[cover] Sprint Start.book Page a Monday, June 17, 2002 8:57 AM PCS Service www.sprintpcs.com Copyright © 2002 Sprint Spectrum L.P. All rights reserved. No reproduction in whole or in part without prior written approval. Sprint, and the diamond logo are trademarks of Sprint Communications Company L.P. All other trademarks are property of their respective owners. Portions copyright © 2002 Handspring, Inc. All rights reserved. Handspring, Treo, and the Treo logo are trademarks of Handspring, Inc. and may be registered in some jurisdictions. Blazer and the Handspring logo are trademarks of Handspring, Inc., are registered trademarks in the U.S.A., and may be registered in other jurisdictions. Palm OS and HotSync are registered trademarks and Palm and the Palm Powered logo are trademarks of Palm, Inc. and are used by Handspring under license. All other trademarks and trade names are the property of their respective owners. Printed in the U.S.A. 50-0926-00 Sprint Start.book Page b Monday, June 17, 2002 8:57 AM Table of Contents How to Use This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i Getting Extra Phone and Service Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii Setting Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii Computer system requirements for USB HotSync cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii Computer system requirements for Serial HotSync cable (sold separately) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii To install the software: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix 1. Your New PCS Treo 300 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Your Phone’s Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2. Turning Your Phone On and Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Turning Wireless Mode ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Turning Wireless Mode OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Turning Handheld Mode ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Turning Handheld Mode OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3. Using the Charger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4. Adjusting the Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5. Using the Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Entering Text . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Entering Accented Characters and Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Using Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Using the Keyboard Backlight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 6. Getting to Know the PhoneBook Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 7. Making and Receiving Calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Making a Call From the Speed Dial, Contacts, or Call History Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Making a Call From the Dial Pad View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Answering Calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Sending Calls to Voicemail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Working With Active Calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Ending a Call . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Sprint Start.book Page c Monday, June 17, 2002 8:57 AM 8. Internal Phone Book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Entering and Saving Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Finding or Changing Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . …

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Section 17 Accessing Other Applications 31 Accessing Other Applications Using the Applications Launcher 1.Press Option and then press Menu to open the Applications Launcher. 2. Use the scroll buttons to locate the application you want to use. To jump directly to an application icon, type the first letter of the application name. For example, type M to jump to the Memo Pad icon. 3.Tap the application icon to launch it. Using the Application Buttons Press Option and then press PhoneBook to access SMS. Press Option and then press Date Book Plus to access To Do List. Press Option and then press Blazer to access CityTime. Press Option and then press Memo to access Calculator. Applications Launcher Sprint Start.book Page 31 Monday, June 17, 2002 8:57 AM Section 18 Date Book Plus 32 Date Book Plus Adding an Event 1.Press Date Book Plus . 2.Use the scroll buttons to select the day. To scroll by weeks, press Shift and then a scroll button. 3.Type the time the event starts. For example type 53 for 5:30. 4.Press the bottom scroll button and type the time the event ends. 5.Hold Option and press Return to finish. 6.Type a description. Tip:You can also select the date of an event by pressing Menu and under Options selecting Go to Day (/O). In the Go to Date dialog, hold Shift and press a scroll button to scroll by months, or hold Option and press a scroll button to scroll by years. In the Go to Date dialog, you can also type the number of the day, or tap the screen to select a date from the calendar. Selected Day Start/End Times Selected Date Sprint Start.book Page 32 Monday, June 17, 2002 8:57 AM Section 18 Date Book Plus 33 Scheduling an Untimed Event You can schedule events that occur on a particular date, but are not associated with a particular time, such as a birthday or anniversary. 1.Select the date of the event. 2.Type a description. The event appears next to a diamond at the top of the Day view. Scheduling a Repeating Event 1.Create the event as described on page 32, and tap the event to select it. 2.Tap Details. 3.Tap the Repeat box and tap a repeat interval. 4.Type a number on the Every line to show how often the event repeats. For Weekly events, tap the day(s) the event repeats. For Monthly events, tap Day or Date as the repeat method. 5.(Optional) Tap the End on pick list, tap Choose Date, and select an end date. 6.Hold Option and press Return , and then press these keys again to finish. A Repeat icon appears next to the event. Rescheduling an Event 1.Tap the event you want to reschedule. 2.Tap Details. 3.Tap to change the date and time as needed. 4.Hold Option and press Return to finish. Sprint Start.book Page 33 Monday, June 17, 2002 8:57 AM Section 18 Date Book Plus 34 Displaying Your Calendar Do any of the following: Press Date Book Plus repeatedly to cycle through the various views: day, week, week with text, month, year, and list. Use the scroll buttons to move to another day, week, or month (based on the current view). Press Menu and under Options select Go to Day (/O) to select a date from the calendar, or tap Go. Deleting an Event 1.Tap the event you want to delete. 2.Press Menu and select Delete Item (/D). 3.Hold Option and press Return to finish. Tap Go to select a date Tap and drag stylus below date to display time View Icons Selected Day Sprint Start.book Page 34 Monday, June 17, 2002 8:57 AM Section 19 Memo Pad 35 Memo Pad Creating a Memo 1.Press Memo Pad . 2.Enter the memo text. Press Return to move down to new lines in the memo. 3.Hold Option and press Return to finish. Reviewing or Editing a Memo 1.In the Memo list, tap the memo you want to review or edit. 2.Review or edit the text in the memo. 3.Hold Option and press Return to finish. Deleting a Memo 1.In the Memo list, tap the memo you want to delete. 2.Press Menu and select Delete Memo (/D). 3.Hold Option and press Return to finish. Sprint Start.book Page 35 Monday, June 17, 2002 8:57 AM Section 20 Preferences and Other Settings 36 Preferences and Other Settings Setting General Preferences 1.Press Option and then press Menu . 2.Tap the Prefs icon . 3.Tap the pick list in the upper-right corner and select General. Reassigning the Buttons on Your PCS Treo 300 1.Press Option and then press Menu . 2.Tap the Prefs icon . 3.Tap the pick list in the upper-right corner and select Buttons. 4.Tap the pick list next to the button you want to re-assign and select the application you want assign to that button. To restore all of the buttons to their factory settings, tap Default. Tap here to set time and date Tap here to set the screen shut-off delay Tap here to set sound levels Tap here to disable or enable IR beam reception Tap here to select General Sprint Start.book Page 36 Monday, June 17, 2002 8:57 AM Section 20 Preferences and Other Settings 37 Setting Formats Preferences 1.Press Option and then press Menu . 2.Tap the Prefs icon . 3.Tap the pick list in the upper-right and select Formats. Changing the Screen Fonts 1.Open the application in which you want to change the font. 2.Press Menu and under Options select Font (/F). 3.Use the scroll buttons to select a font style. 4.Hold Option and press Return to finish. T a p h e r e t o s e t t i m e f o r m a t Tap here to set date format Tap here to set week format Tap here to set number format Tap here to set country Large Font Small Font Bold Font Sprint Start.book Page 37 Monday, June 17, 2002 8:57 AM Section 21 Synchronizing Data 38 Synchronizing Data Before you synchronize data, you must first install the desktop synchronization software and assign a name to your PCS Treo 300. See pages vii - viii for details. 1.Connect your PCS Treo 300 to the HotSync cable. 2.Press the HotSync button on the cable. 3.Wait for your PCS Treo 300 to display a message indicating the process is done. 4.Press the release buttons on the sides of the HotSync connector to remove the cable from your PCS Treo 300. HotSync Synchronization Button Release Button Sprint Start.book Page 38 Monday,…

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May 28, 2002 Timothy R. Johnson Examining Engineer American Telecommunications Certification Body Inc. 6731 Whittier Ave, McLean, VA 22101 RE: Handspring Inc FCC ID: O8FLON Mr. Johnson, This is in reply to your request for additional information on our recent certification application for FCC ID O8FLON. Handspring has elected to address some of these issues and Celltech Research is addressing the remaining issues. Your questions are included below for your reference. EMC Report 1) Please upload an exhibit for the operational description of the device. I have uploaded a Hardware specification for the (London) Treo 300. The information in this document and the previously uploaded user guide describe the operation of the device. 2) The following information required by 2.1033(c) was not provided. Range of operating power values, DC voltages/currents applied into the several elements of the final radio frequency amplifying device for normal operation over the power range, and tune up procedure. Since the device in this application utilizes a transmitter module, please provide the range of operating power values being utilized as configured for this device, the DC voltages and currents being supplied to the module, and any tune up procedures necessary (or if this is not possible, please provide an attestation that the module does not provide for any user/integrator adjustable parts). Detailed RF module DC power requirements are included on page 27 of the document “CDMA_Module_Product Specification v1.1.pdf” that was uploaded with the initial application. Handspring does not have access to any RF module tune up procedure. The RF module is a purchased component with no RF tuning adjustments accessible to Handspring. The device is configured and calibrated at the manufacturers factory prior to being shipped to Handspring. 3) The internal module used in the device is designed for operation in both the North American Cellular (800 MHz) and PCS(1900 MHz) bands. This application only covers the PCS (1900 MHz) band. Does this device capable of operating in the American Cellular (800 MHz) band as well. Please explain. The products are not capable of operating on the 800 MHz North American cellular band due to the fact that the products are GSM and there is no infrastructure in North America on 800MHz that supports GSM. Handspring, Inc. 189 Bernardo Ave. Mountain View, CA 94043 4) FYI, For future applications, please separate the external and internal photographs into 2 separate exhibits. We are required to upload separate exhibits to the FCC for each of these. For this application we have already pulled the appropriate photographs from the files provided. OK. SAR Report 1) The EUT appears to be able to transmit with the clam shell open or closed. Please provide an explanation as to why only the open configuration was used for the ear-held configuration. If there is a headset plugged into the unit, when the “Clamshell” is closed, the audio is transferred to the headphone jack. If the unit is closed during an active call and there is no headset plugged in, the call will be disconnected. This is one of the intended methods of “hanging up” the phone. 2) Please confirm only 1 battery configuration is currently available for this device. Yes, that is true and the battery is not intended to be changed by the user. 3) The FCC likes to be able to confirm that the 15 cm liquid depth was present by supporting photographs or Z-axis data. This supplemental information was not provided. Please confirm that the liquid depth was at least 15 cm, and if available please provide the photograph or Z-axis data. See Celltech reply. 4) The system center frequency (1880 MHz) was not used to verify the SAR system performance, please comment. See Celltech reply. 5) Test plots do not include liquid temperatures. It can not be confirmed that the liquid temperatures during SAR testing stay within ± 2° C. Please comment. See Celltech reply. 6) For course scans, what was the probe tip distance to phantom inner surface? See Celltech reply. 7) Please provide descriptions of within-cube interpolation procedures to get 1 mm or 2 mm SAR grid. See Celltech reply. 8) Please provide description of averaging (integration) procedures to get 1-g SAR from final interpolated grid. See Celltech reply. 9) FYI, The flow chart and measurement procedure state ‘-2dB’from the applicable limit. We believe that this has been changed to -3 dB. See Celltech reply. If there is any additional information required, please contact me at [email protected] Thank you. David Waitt

Celltech Research Inc. 1955 Moss Court, Kelowna, B.C. Canada V1Y 9L3 Tel. 250-860-3130 • Fax. 250-860-3110 • e-mail: [email protected] www.celltechlabs.com May 24, 2002 ATCB Inc. 6731 Whittier Avenue McLean, VA 22101 Attn: Tim Johnson SUBJECT: Handspring Inc. FCC ID: O8FLON Request for Additional Information Dear Tim, On behalf of Handspring Inc. is our response to SAR questions 3-9 of your request for additional information dated May 22, 2002 for the subject application. 1. The fluid depth is maintained to a minimum of 15cm for the duration of the tests. 2. As per OET Bulletin 65 Supplement C the validation of the system should be within 100MHz of the mid- band channel of each operating mode. 3. Please see attached revised test plots showing liquid and ambient temperatures during the course of the evaluation. 4. Since the actual distance from any part of the tip of the probe to the inner surface of the phantom varies when the probe alignment is at any angle greater than a line normal to the inner surface, this quantity becomes difficult to define. However, as indicated on page 2 of the probe calibration certificate, the nominal distance from the optical detector located at the center of the probe to a detectable surface is 1.3 mm +- 0.2 mm. 5. Please see attached Application Note from the system manufacturer. 6. Please see attached Application Note from the system manufacturer. 7. FYI: The change from 2dB to 3dB in the flow chart per IEEE document P1528 for determining required SAR tests is a proposal only. If you have any further questions or comments concerning the above, please contact the undersigned. Sincerely, Shawn McMillen General Manager Celltech Research Inc. Testing & Engineering Lab cc: Handspring Inc. 6FKPLG 3DUWQHU(QJLQHHULQJ$*=XULFK6ZLW]HUODQG $SSOLFDWLRQ1RWH 6SDWLDO3HDN6$5(YDOXDWLRQ Spatial Peak SAR for 1 and 10 g The spatial peak SAR - value for 1 and 10 g is evaluated after the Cube measurements have been done. The basis of the evaluation are the SAR values measured at the points of the fine cube grid consisting of 4 x 4 x 7 or 5 x 5 x 7 points. If you change any parameter afterwards with ‘File Modify’ (for example crest factor or medium factors) you will have to reevaluate the measurements. This evaluation can be repeated, if your press Job Evaluation on the selected scans. The algorithm that finds the maximal averaged volume is divided into three different stages. (1) The data between the dipole center of the probe and the surface of the phantom is extrapolated. This data cannot be measured, since the center of the dipoles is 2.7 mm away form the tip of the probe and the distance between the surface and the lowest measuring point is ca 1 mm (see probe calibration sheet). You can visualize the extrapolated data from a cube measurement if you select Graph Evaluated. (2) The maximal interpolated value is searched with a straight-forward algorithm. Around this maximum the SAR - values averaged over the spatial volumes (1g or 10 g) are computed using the 3d-spline interpolation algorithm. If the volume cannot be evaluated (i.e., if a part of the grid was cut off by the boundary of the measurement area) the evaluation will be started on the corners of the bottom plane of the cube. (3) All neighboring volumes are evaluated until no neighboring volume with a higher average value is found. Extrapolation The extrapolation is based on a least square algorithm [W. Gander, Computermathematik, p.168-180]. Through the points in the first 3 cm in all z-axis, polynomials of order four are calculated. This polynomial is then used to evaluate the points between the surface and the probe tip. The points, calculated from the surface, have a distance of 1 mm from one another. Interpolation The interpolation of the points is done with a 3d-Spline. The 3d-Spline is composed of three one-dimensional splines with the "Not a knot"-condition [W. Gander, Computermathematik, p.141-150] (x, y and z -direction) [Numerical Recipes in C, Second Edition, p.123ff ]. Volume Averaging Firstly the size of the cube is calculated. The volume is integrated with the trapezoidal algorithm. 8000 points (20x20x20) are interpolated to calculate the average. Advanced Extrapolation The BIOEMC group of the ETH Zurich is currently investigating the boundary effects …

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