2AVGK-KXLTXETR-Eye Tracking Remote

Avedro FGSH07-AVO-01 / FGPCBA-AVO-01 Remote Operational Behavior - Rev3 2020-02-24 A : Remote Control Operational Behavior 1. Battery Status and Voltage Levels : - Input rated : DC 3 V (Battery) 1) LEVEL-A : Good : 2.7V~ 2) LEVEL-B : Need to replace : 2.5~2.7V 3) LEVEL-C : Must replace : under 2.5V : Will not Sync at this level. Remote will continue to transmit, if paired, until batteries are drained. 2. Installing New Batteries: 2-1) If new batteries are installed, the remote will remain in standby mode until any directional button is pressed and the remote control will SYNC to host. 2-2) REGISTRATION OF REMOTE : After the remote is SYNC with the receiver, it will register with the receiver. After a remote is registered, no other remotes can SYNC with the host. 2-3) If the batteries are replaced (under any condition), the remote should manually re-SYNC to the receiver. 3. Battery Button: When the Battery Button is pressed to check the battery status, the following behavior is expected: Remote will not attempt to SYNC with host. 3-1) Remote not SYNC with host. If the Battery button is pressed before the remote is SYNC with host: 3-1-1) LEVEL-A : While checking battery status (Blue LED) Blue battery LED will stay ON for 5 seconds and then turn off 3-1-2) LEVEL-B : While checking the battery status (Yellow LED) Amber battery LED will stay ON for 5 seconds and then turn off 3-1-3) LEVEL-C : The Amber LED will blink on/off (1Hz) for 5 seconds and then turn off. Remote will not attempt to SYNC with host. 3-1-4) If any directional button is pressed while the battery level is at Level C, the battery button amber LED will blink for 5 seconds and then turn OFF. Remote will not attempt to SYNC with host. 3-2) Remote SYNC with host. These behaviors will repeat until batteries are drained or procedure is completed. 3-2-1) If the Battery button is pressed after the remote is SYNC with host: - LEVEL-A : Battery Button blue LED turns ON for 5 seconds and then turns OFF - LEVEL-B : Battery button amber LED turn ON and shall remain on until sync is lost or system User Interface breaks sync at completion of a treatment session. - LEVEL-C : Battery button amber LED will blink for 5 seconds and then turn OFF . The remote will continue to transmit, if paired, until batteries are drained. 3-2-2) The remote should automatically indicate the change from battery Level A to Level B or Level B to Level C. - LEVEL-B : If battery level drops to Level B DURING a procedure, the battery button amber LED will turn ON and remain ON until SYNC with host is lost. - LEVEL-C : If battery level drops to Level C DURING a procedure, the battery button amber LED will blink for 5 seconds and then turn OFF . The remote will continue to transmit, if paired, until batteries are drained 4. SYNC Workflow: If any directional button is pressed one time, the remote will SYNC with receiver, as per behavior below: (Refer to battery level information above) 4-1) Sync Start When the remote starts to SYNC, the Blue LED Light Ring will blink in a clockwise pattern at 1 Hz/revolution to indicate SYNC ON. 4-2) Sync Success When the remote pairs to the receiver, the Blue LED Light Ring will remain ON. 4-3) Sync Fail If the remote fails to SYNC after 20 seconds, the Amber LED Light Ring will turn ON for 20 seconds and then turn OFF --> The remote control will have the same same behavior as 6-1 If the Battery button is pressed during the SYNC fail behavior, the button will function normally, as described above in section 3. (Check Battery Level and SYNC) For example: If the receiver is not powered on or some other issue, the remote will be unable to SYNC. Once power is restored to the receiver or other issue is resolved, the remote will be able to SYNC as expected. 5. Sync Lost: Factors that can cause loss of SYNC between remote and receiver 6-1) Power OFF on RX 6-2) Low battery level on remote control. 6-3) Communication between remote and receiver interrupted by distance, interference or other factors. 6-4) RX intentionally losing SYNC when procedure is completed (Power OFF to RX). [Sync Lost - Operational Summary] 6-1) If the SYNC is lost, the LED Light Ring will change from Blue to Amber to indicate SYNC Lost status. The Amber LED in the Light Ring will remain ON for 20 seconds and then turn OFF. 6-2) If the battery voltage levels drop, the Amber LED of the Battery button will have the following behavior: If the battery voltage moves to Level C, the remote continue to transmit until batteries are dead. 6-3) If the batteries are replaced (under any condition), the remote should manually re-SYNC to the receiver. 6-3) If the remote control is unable to SYNC with receiver (distance or interference): a) If the SYNC is lost, the LED Light Ring will change from Blue to Amber to indicate SYNC Lost status. The Amber LED in the Light Ring will remain on for 20 seconds and then turn oFF. b) The remote will continue to automatically re-SYNC for 20 seconds and then timeout. 6-4) When finished using the remote control: 1) If the receiver is powered OFF, the remote control will use the same behavior as 6-1 B: Receiver Module Behavior 1) Add Blue and Amber feedback LED on receiver module. 2) If the receiver is SYNC with remote, the Blue LED will remain on. If the receiver is not SYNC with remote, the Amber LED will remain ON. 3) If the receiver loses SYNC, the Amber LED will remain on. 4) Both LED's will turn off then the power to the receiver is disconnected. 5) When the power to the receiver is cycled, the receiver will only connect to the transmitter after receiving the Initiaization code from host. 6) The receiver will connect to the transmitter after receiving an initialization command from the host, but will automatically Re-Sync to remote control during the 20 second reconnect period after Sync is lost. (Refer to 6-3) 7) The receiver will connect to the transmitter, after receivin g the Initiaization command from the host, when any direction button butt…

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External photos FCC ID: 2AVG K-KX LT X Page 1 of 2 External photos FCC ID: 2AVG K-KX LT X Page 2 of 2

FCC Label and Location FCC Label and Location * Label The device is so small that it is not practicable to place the statement specified under 15.19 statement request and FCC ID can’t be on a single line, This label will be used and also the information required by this paragraph shall be placed in a Prominent location in the User’s Manual. *Label Position Revision No : 1.0 Page: 1 of 1

Internal photos Chip Antenna FCC ID: 2AVG K-KX LT X Page 1 of 1

RF exposure According to 447498 D01 General RF Exposure Guidance v06 The 1-g and 10-g SAR test exclusion thresholds for 100 ㎒ to 6 ㎓ at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ·[√f(㎓)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, Where; f(㎓) is the RF channel transmit frequency in ㎓ Power and distance are rounded to the nearest ㎽ and mm before calculation The result is rounded to one decimal place for comparison Results -BLE Frequency (㎓) Distance (mm) Max tune-up power Calculation value Exclusion Threshold (㏈m) (㎽) 2.402 5 -4 0.40 0.12 ≤3.0 2.442 5 -4 0.40 0.12 ≤3.0 2.480 5 -4 0.40 0.13 ≤3.0 FCC ID: 2AVG K-KXLTX Page 1 of 1

KES Co., Ltd. 3701, 40, Simin-daero 365beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14057, Korea Tel : + 8 2-31-425-6200 / Fax: +82-31 -424-0450 www.kes.co.kr Report No.: KES-RF-20T0110 Page (2 ) of (29) Revision history Revision Date of issue Test report No. Description - 2020.07.03 KES-RF-20T0110 Initial This report shall not be reproduced except in full, without the written approval of KES Co., Ltd. The results shown in this test report refer only to the sample(s) tested unless otherwise stated. The authenticity of the test report, contact [email protected] KES-QP-7081-06 Rev. 7 KES A4 KES Co., Ltd. 3701, 40, Simin-daero 365beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14057, Korea Tel : + 8 2-31-425-6200 / Fax: +82-31 -424-0450 www.kes.co.kr Report No.: KES-RF-20T0110 Page (3 ) of (29) TABLE OF CONTENTS 1. General information ................................................................................................................................................... 4 1.1. EUT description ........................................................................................................................................ 4 1.2. Test configuration ...................................................................................................................................... 4 1.3. Device modifications ................................................................................................................................. 4 1.4. Frequency/channel operations ................................................................................................................... 4 1.5. Accessory information............................................................................................................................... 5 1.6. Software and Firmware description ........................................................................................................... 5 1.7. Measurement results explanation example ................................................................................................ 5 1.8. Measurement Uncertainty ......................................................................................................................... 5 2. Summary of tests ........................................................................................................................................................ 6 3. Test results .................................................................................................................................................................. 7 3.1. 6 ㏈ bandwidth ........................................................................................................................................ 7 3.2. Output power ............................................................................................................................................. 9 3.3. Power spectral density ............................................................................................................................. 11 3.4. Radiated restricted band and emissions ................................................................................................... 13 3.5 Conducted spurious emissions & band edge ........................................................................................... 26 Appendix A. Measurement equipment ......................................................................................................................... 28 Appendix B. Test setup photos ..................................................................................................................................... 29 This report shall not be reproduced except in full, without the written approval of KES Co., Ltd. The results shown in this test report refer only to the sample(s) tested unless otherwise stated. The authenticity of the test report, contact [email protected] KES-QP-7081-06 Rev. 7 KES A4 KES Co., Ltd. 3701, 40, Simin-daero 365beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14057, Korea Tel : + 8 2-31-425-6200 / Fax: +82-31 -424-0450 www.kes.co.kr Report No.: KES-RF-20T0110 Page (4 ) of (29) 1. General information Applicant: Ave d r o Applicant address: 201 Jones Road 5th floor, Waltham, MA, 02451, United States Test site: KES Co., Ltd. Test site address: 3701, 40, Simin-daero 365beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14057, Korea 473-21, Gayeo-ro, Yeoju-si, Gyeonggi-do, Korea Test Facility FCC Accreditation Designation No.: KR0100, Registration No.: 444148 FCC rule part(s): 15.247 FCC ID: 2 AV G K-K X LT X Test device serial No.: Production Pre-production Engineering 1.1. EUT description Equipment under test ETR-Eye Tracking Remote Frequency range BLE : 2 402 ㎒ ~ 2 480 ㎒ Model: KXL-1B Remote Control Modulation technique GFSK Number of channels 2 402 ㎒ ~ 2 480 ㎒ : 40 ch Antenna specification Antenna type : Chip antenna, Peak gain : 0.8 ㏈i Power source DC 3.0 V (battery) 1.2. Test configuration The Av e d ro KXL-1B Remote Control FCC ID: 2 AV G K-K X LT X was tested per the guidance of KDB 558074 D01 v05r 02. ANSI C63.10-2013 was used to reference the appropriate EUT setup for radiated spurious emissions testing 1.3. Device modifications N/A 1.4. Frequency/channel operations Ch. Frequency (㎒) Rate(Mbps) 00 2 402 1 . . . . . . 20 2 442 1 . . . . . . 39 2 480 1 This report shall not be reproduced except in full, without the written approval of KES Co., Ltd. The results shown in this test report refer only to the sample(s) tested unless otherwise stated. The authenticity of the test report, contact [email protected] KES-QP-7081-06 Rev. 7 KES A4 KES Co., Ltd. 3701, 40, Simin-daero 365beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14057, Korea Tel : + 8 2-31-425-6200 / Fax: +82-31 -424-0450 www.kes.co.kr Report No.: KES-RF-20T0110 Page (5 ) of (29) 1.5. Accessory information Equipment Manufacturer Model Serial No. Power source - - - - - 1.6. Software and Firmware description The software and firmwar…

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KES Co., Ltd. 3701, 40, Simin-daero 365beon-gil, Dongan-gu, Anyang-si, Gyeonggi-do, 14057, Korea Tel: +82-31-425-6200 / Fax: +82-31-424-0450 www.kes.co.kr Report No.: KES-RF-20T0110 Page (29 ) of (29) This report shall not be reproduced except in full, without the written approval of KES Co., Ltd. The results shown in this test report refer only to the sample(s) tested unless otherwise stated. The authenticity of the test report, contact [email protected] KES-QP-7081-06 Rev. 7 KES A4 Appendix B. Test setup photos Radiated Blank The end of test report.