AFJIC-746PROAmateur HF \ VHF Scanning Transceiver

HF/VHF ALL MODE TRANSCEIVER i746PRO INSTRUCTION MANUAL This device complies with Part 15 of the FCC rules. Operation is sub- ject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. i FOREWORD We understand making you have a choice of many dif- ferent radios in the market place.I want to take a cou- ple of moments of your time to thank you for making your IC-746PRO your radio of choice, and hope you agree with Icom’s philosophy of “technology first”.Many hours of research and development went into the de- sign of your IC-746PRO. Rather than completely redesigning all areas to create a new radio, the engineering team at Icom decided to follow in the footsteps of the IC-746 (one of the best values in the marketplace) with the new “PRO”. Fo- cused on real world improvements compiled over the last few years from letters, phone calls, E-Mails and newsgroup postings the engineering team at Icom is proud to say “many of these changes were compiled from a list of suggestions from you, the amateur radio operator!” FEATURES • 32-bit Floating point DSP and 24-bit AD/DA converter • DSP IF Filter creates 102 types of filter types • All mode capability covering 160–2 m • 100 Watt continuous duty cycle • All mode digital modulation and demodulation • RTTY demodulator and decoder • Twin Pass Band Tuning • RF speech compression with selectable pass band • Microphone Equalizer • SSB/CW synchronous tuning EXPLICIT DEFINITIONS READ THIS INSTRUCTION MANUAL CAREFULLYbefore attempting to operate the transceiver. SAVE THIS INSTRUCTION MANUAL.This manual contains important safety and operating in- structions for the IC-746PRO. EXPLICIT DEFINITIONS PRECAUTIONS RWARNING RF EXPOSURE!This device emits Radio Frequency (RF) energy. Extreme caution should be observed when operating this device. If you have any questions regarding RF exposure and safety standards please refer to the Federal Communications Commission Office of Engineering and Technology’s report on Evalu- ating Compliance with FCC Guidelines for Human Radio frequency Electromagnetic Fields (OET Bulletin 65). RWARNING HIGH VOLTAGE! NEVERattach an antenna or internal antenna connector during transmis- sion. This may result in an electrical shock or burn. RNEVERapply AC to the [DC13.8V] jack on the trans- ceiver rear panel. This could cause a fire or ruin the trans- ceiver. RNEVERapply more than 16 V DC, such as a 24 V battery, to the [DC13.8V] jack on the transceiver rear panel. This could cause a fire or ruin the transceiver. RNEVERlet metal, wire or other objects touch any in- ternal part or connectors on the rear panel of the trans- ceiver. This may result in an electric shock. NEVERexpose the transceiver to rain, snow or any liquids. AVOIDusing or placing the transceiver in areas with tem- peratures below –10°C (+14°F) or above +50°C (+122°F). Be aware that temperatures on a vehicle’s dashboard can exceed 80°C (+176°F), resulting in permanent damage to the transceiver if left there for extended periods. AVOIDplacing the transceiver in excessively dusty envi- ronments or in direct sunlight. AVOIDplacing the transceiver against walls or putting anything on top of the transceiver. This will obstruct heat dissipation. Place unit in a secure place to avoid inadvertent use by children. During mobile operation, DO NOToperate the transceiver without running the vehicle’s engine. When transceiver power is ON and your vehicle’s engine is OFF, the vehi- cle’s battery will soon become exhausted. Make sure the transceiver power is OFF before starting the vehicle. This will avoid possible damage to the trans- ceiver by ignition voltage spikes. During maritime mobile operation, keep the transceiver and microphone as far away as possible from the magnetic navigation compass to prevent erroneous indications. BE CAREFUL! The heatsink will become hot when oper- ating the transceiver continuously for long periods. BE CAREFUL! If a linear amplifier is connected, set the transceiver’s RF output power to less than the linear am- plifier’s maximum input level, otherwise, the linear ampli- fier will be damaged. Use Icom microphones only (supplied or optional). Other manufacturer’s microphones have different pin assign- ments, and connection to the IC-746PRO may damage the transceiver. WORDDEFINITION R WARNING Personal injury, fire hazard or electric shock may occur. CAUTIONEquipment damage may occur. NOTE If disregarded, inconvenience only. No risk or personal injury, fire or electric shock. ii SUPPLIED ACCESSORIES The transceiver comes with the following accessories. Qty. qDC power cable (OPC-025D) ............................ 1 wHand microphone (HM-36) ................................ 1 eSpare fuses (FGB 30 A) .................................... 2 rSpare fuse (FGB 5 A) ........................................ 1 tCW keyer plug (AP-330) .................................... 1 TABLE OF CONTENTS qw ert FOREWORD ........................................ i IMPORTANT ........................................ i EXPLICIT DEFINITIONS ..................... i PRECAUTIONS ................................... i TABLE OF CONTENTS ...................... ii QUICK REFERENCE GUIDE ........ I – X Installation ....................................... I Operation ....................................... III Your first contact ........................... IV Ready to call CQ? ......................... IX 1 PANEL DESCRIPTION ........... 1 – 12 Front panel ..................................... 1 Rear panel ...................................... 7 LCD display .................................... 9 Multi function switches .................. 11 Microphone (HM-36) .................... 12 2 INSTALLATION AND CONNECTIONS ................... 13 – 17 Unpacking .................................... 13 Selecting a location ...................... 13 Groundin…

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5 47 FUNCTIONS FOR RECEIVE Simple band scope The band scope function allows you to visually check signal condition around a specified frequency. The IC- 746PRO’s band scope function can be used in any op- erating mode and frequency band. The band scope measures receive signal conditions over a specified range on either side of a selected fre- quency in either VFO or memory modes. qRotate the tuning dial to tune a frequency. wWhile M1is selected, push [F5SCP] to select the band scope menu. •Starts sweeping automatically with the previously se- lected sweeping step. •During sweep, received signals cannot be heard. ePush [F5STEP] several times to select the desired sweep step. rPush [F1] to start sweeping, then stop automatically after sweeping. •Push [F1] for 1 sec. to start continuous sweeping. In this case, it is necessary to push [F1] to stop sweeping. •During sweep operation “” appears and received signals cannot be heard. •If there is a lot of signal noise, turn the preamp OFF and the attenuator ON to reduce the signal input level and improve the readability of the band scope. tWhen rotating the tuning dial and finding a signal you wish to communicate on, simple communicate normally. •If you want to return to the previous frequency (before rotating the tuning dial), push [F3] for 1 sec. •If the selected frequency is set outside of the sweeped range, flashes. yWhile receiving, if you want to update the band con- ditions, repeat steps eand ras above. “ ” or “ ” 0.5k STEP Sweep indicator Band scope indicator Frequency indicator mark Sweep step indicator INDICATOR Sweep Band scope in- dicator Frequency indicator mark Sweep step DESCRIPTION While the band scope is “sweeping,” “” appears; while stopped “” appears. Received audio is not emitted from the speaker while the band scope is “sweeping.” Indicates the relative strength of signals and their location in relation to the center (displayed) frequency. Signal strength is relative to the S-meter level, S1 to S9, with each vertical dot in the band scope indicator equal to one segment of the S-meter. Signal activity is measured ±30 steps from the center frequency with each step equal to the selected sweep step. After a sweep, indicates the relative position of the selected frequency. When the selected fre- quency is outside of the sweep range, indicator flashes. After changing the fre- quency, push [F3] for 1 sec. to automatically return to the center frequency. Indicates the selected sweep step. 0.5, 1, 2, 5, 10, 20 and 25 kHz are selectable. Each dot of the band scope indication is approx. equal to the selected sweep step. “ ” or “ ” F 1 F 2F 3F 4F 5 F 1 F 2F 3F 4F 5 Sweep step selectionSweep start/stop O.5k STEP O.5k STEP Sweep indicator 48 5 FUNCTIONS FOR RECEIVE Preamp/Attenuator The preamp amplifies received signals in the front end circuit to improve the S/N ratio and sensitivity. Set this to preamp 1 or preamp 2 when receiving weak signals. The attenuator prevents a desired signal from distor- tion when very strong signals are near the desired fre- quency or when very storing electric fields, such as from broadcasting station, are near your location. These can both set independently for each band. Push [P.AMP/ATT] several times to set the preamp OFF, preamp 1 ON or preamp 2 ON. •When the preamp is ON, either “P.AMP1” or “P.AMP2” appears in the function display. •When operating on the 144 MHz band, the preamp can only be set to ON or OFF only— there is no preamp 1 and preamp 2. Push [P.AMP/ATT] for 1 sec. to set the attenuator ON. •“ATT” appears ni the display when the function is set ON. •Push [P.AMP/ATT] momentarily to set the attenuator OFF. RIT function The RIT (Receive Increment Tuning) function compen- sates for off-frequencies of the communicating station. The function shifts the receive frequency up to ±9.99 kHz in 10 Hz steps without moving the transmit frequency. •See #0on p. 4 for function description. qPush [RIT] to turn the RIT function ON and OFF. •“RIT” and the shifting frequency appear when the func- tion is ON. wRotate the [RIT/∂TX] control. •Push [CLEAR] for 1 sec. to reset the RIT frequency. •Push [CLEAR] momentarily to reset the RIT frequency when the quick RIT/∂TX clear function is ON. (p. 85) •Push [RIT] for 1 sec. to add the shift frequency to the op- erating frequency. D RIT monitor function When the RIT function is ON, pushing and holding [XFC] allows you to monitor the operating frequency directly (RIT is temporarily cancelled). [P.AMP/ATT] Push P.AMP/ATT Push P.AMP/ATT Push P.AMP/ATT Push for 1sec. P.AMP/ATT Push P.AMP/ATT Regular preamp, the most effective for 1.8 to 21 MHz bands without IMD corruption. High-gain preamp, the most effective for 24 to 50 MHz bands. Preamp activates for the VHF band (144 to 146 MHz range; 108 to 174 for the USA version) . [RIT] [CLEAR] [RIT/∂TX] control appear Regarding the use of the “P.AMP2” The “P.AMP2” is a high gain receive amplifier. When the “P.AMP2” is used during times of strong electric fields, dis- tortion sometimes results. In such cases, use the trans- ceiver with the “P.AMP 1” or “P.AMP OFF” setting. The “P.AMP2” is most effective when: •Used on bands above 24 MHz and when electric fields are weak. •Receive sensitivity is insufficient during low gain, or while using a narrow band antenna (such as small loop, a Bever- age antenna or a short Yagi antenna, etc.) is used. 49 5 FUNCTIONS FOR RECEIVE AGC function The AGC (auto gain control) controls receiver gain to produce a constant audio output level even when the received signal strength is varied by fading, etc. The transceiver has 3 AGC characteristics (time con- stant; fast, mid, slow) for non-FM mode. The FM mode AGC time constant is fixed as ‘FAST’ (0.1 sec.) and AGC time constant cannot be se- lected. D AGC speed selection qSelect non-FM mode. wWhile M1is selected, push [F1AGC] several times to select AGC F, AGC M, AGC Sor AGC OFF. “AGC OFF” appears when AGC time constant OFF is set with one of FAST, MI…

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ANTDC 13.8V GNDTUNERKEYACC(1)ACC(2)ALCSENDREMOTEEXT SP ANT 2 HF/50MHz ANT 1 144MHz SERIAL NO. IC-746PRO FCC ID:AFJ IC-746PRO MADE IN JAPAN DATA

IssueDate:November27,2001 Page 1 of 53 EMC EMISSION - TEST REPORT JQA APPLICATION No.: KL80010421 Name of Product: HF/VHF Transceiver Model/Type No.: IC-746PRO FCC ID: AFJ IC-746PRO Applicant :ICOMIncorporated Address : 1-6-19, Kuratsukuri, Kami, Hirano-ku, Osaka, Japan Manufacturer :ICOMIncorporated Address : 1-6-19, Kuratsukuri, Kami, Hirano-ku, Osaka, Japan Receive date of EUT: November 7, 2001 Final Judgement :Passed TEST RESULTS IN THIS REPORT are obtained in use of equipment that is traceable to National Institute of Advanced Industrial Science and Technology(AIST) under METI Japan and Communications Research Lab.(CRL) under MPHPT Japan. THE TEST RESULTS only responds to the test sample. This test report shall not be reproduced except in full. Page 2 of 53 DIRECTORY Page A) Documentation Directory2 Test Regulation / General Information3 Test Conditions4-8 Configuration of EUT / Operation mode of the EUT9 - 12 EUT Modification / Responsible Party / Deviation from Standard13 Test results / Measurement Uncertainty14 - 15 Summary16 Test System-Arrangement (Drawings) 17 Preliminary Test and Test-setup (Drawings) 18 - 21 Test-setup (Photographs) at worst case 22 B) Test data Conducted Emission450 kHz - 30 MHz23 Electromagnetic Field Radiated Emission 30 MHz - 1000 MHz24 - 35 Antenna-Conducted Power30 MHz - 1000 MHz36 - 47 38dB Rejection Test48 - 53 JQA Application No. : KL80010421Regulation : CFR 47 FCC Rules Part 15 Model No.: IC-746PROIssue Date : November 27, 2001 FCC ID: AFJ IC-746PRO JQA Application No. : KL80010421Regulation : CFR 47 FCC Rules Part 15 Model No.: IC-746PROIssue Date : November 27, 2001 FCC ID: AFJ IC-746PRO Page 3 of 53 TEST REGULATION FCC Rules and Regulations Part 15 Subpart A and B (February 28, 2001) {- Class A Digital Device {- Class B Digital Device z- Scanning Receiver Test procedure: The tests were performed according to the procedures in ANSI C63.4-1992. GENERAL INFORMATION Test facility: 1) Test Facility located at Kita-Kansai : 1st and 2nd Open Sites (3 m Site) Test Facility located at Kameoka Open Site (3, 10 and 30 m, on common plane) FCC filing No. : 31040/SIT 1300F2 2) KITA-KANSAI TESTING CENTER is recognized under the National Voluntary Laboratory Accreditation Program for satisfactory compliance established in Title 15, Part 285 Code of Federal Regulations. NVLAP Lab Code: 200191-0 Description of the Equipment Under Test (EUT): 1) Name: HF/VHF Transceiver 2) Model/Type No.: IC-746PRO 3) Product Type: Pre-Production (S/N: 00005) 4) Category: Scanning Receiver 5) EUT Authorization: - Verification- Certification- D.o.C.{z { 6) Highest frequency used/generated : 60.0 MHz 7) Highest local frequency: 238.455 MHz 8) Power Rating: DC 13.8V Definitions for symbols used in this test report: z- Black box indicates that the listed condition, standard or equipment is applicable for this Report. {- Blank box indicates that the listed condition, standard or equipment is not applicable for this Report. JQA Application No. : KL80010421Regulation : CFR 47 FCC Rules Part 15 Model No.: IC-746PROIssue Date : November 27, 2001 FCC ID: AFJ IC-746PRO Page 4 of 53 TEST CONDITIONS AC Powerline Conducted Emission Measurement was performed in the following test site. Test location: KITA-KANSAI Testing Center 7-7, Ishimaru, 1-Chome, Mino-Shi, Osaka, 562-0027, Japan z-Shieldedroom KAMEOKA EMC Branch 9-1, Ozaki, Inukanno, Nishibetsuin-Cho, Kameoka-Shi, Kyoto, 621-0126, Japan {-Shieldedroom {- On metal plane of open site Used test instruments and sites: Model No.Device IDast Cal. DateCal. Interval L {-ESCS30A-1 z-ESH2A-2May,20011Year {-ESH2A-3 z-KNW-407D-6January,20011Year {-KNW-408D-11 {-KNW-242D-7 {- ESH3-Z5D - 12 {-KNW-341CD-13 {-KNW-408D-14 {-KNW-244CD-77 {-KNW-408D-78 {- ESH2-Z5D - 10 {- ESH2-Z3D - 17 {- 65 BNC-50-0-1H - 26 {- 65 BNC-50-0-1H - 27 {-CableH-7 z- CableH - 8January, 20011 Year Environmental conditions: Temperature: 21 °C Humidity: 42 % JQA Application No. : KL80010421Regulation : CFR 47 FCC Rules Part 15 Model No.: IC-746PROIssue Date : November 27, 2001 FCC ID: AFJ IC-746PRO Page 5 of 53 Electromagnetic Field Radiated Emission Measurement was performed in horizontal and vertical polarization, in the frequency range of 30 MHz - 1000 MHz, in the following test site. Test location: KITA-KANSAI Testing Center 7-7, Ishimaru, 1-Chome, Mino-Shi, Osaka, 562-0027, Japan {- 1st open test site (3 meters) z- 2nd open test site (3 meters) KAMEOKA EMC Branch 9-1, Ozaki, Inukanno, Nishibetsuin-Cho, Kameoka-Shi, Kyoto, 621-0126, Japan {{{{- 1st open test site- 3 m- 10 m- 30 m {{{- 2nd open test site- 3 m- 10 m Validation of Site Attenuation: 1) Last Confirmed Date : October 9, 2001 2) Interval: 1 Year Used test instruments: Model No.Device IDast Cal. DateCal. Interval L {-ESV/ESV-Z3A-7/A-17 z-ESV/ESV-Z3A-6/A-18December,20001Year {-ESV/ESV-Z3A-4/A-20 {-ESV/ESV-Z3A-8/A-19 {-ESVS10A-5 {-KBA-511AC-12 {-KBA-611C-22 z- KBA-511AC - 13November, 20001 Year z- KBA-611C - 19November, 20001 Year {-KBA-511AC-11 {-KBA-611C-21 {-CableH-1 {-CableH-2 {-CableH-5 z- CableH - 6November, 20001 Year {-CableH-9 Environmental conditions: Temperature: 15 °C Humidity: 29 % JQA Application No. : KL80010421Regulation : CFR 47 FCC Rules Part 15 Model No.: IC-746PROIssue Date : November 27, 2001 FCC ID: AFJ IC-746PRO Page 6 of 53 Electromagnetic Field Radiated Emission Measurement was performed in horizontal and vertical polarization, in the frequency range of 1 GHz - 2 GHz, in the following test site. Test location: KITA-KANSAI Testing Center 7-7, Ishimaru, 1-Chome, Mino-Shi, Osaka, 562-0027, Japan {- 1st open test site (3 meters) {- 2nd open test site (3 meters) KAMEOKA EMC Branch 9-1, Ozaki, Inukanno, Nishibetsuin-Cho, Kameoka-Shi, Kyoto, 621-0126, Japan {{{{- 1st open test site- 3 m- 10 m- 30 m {{{- 2nd open test site- 3 m- 10 m Used test instruments: Model No.Device IDast Cal. DateCal. Interval L {-ESCS30A-1 {- 8566BA - 13 {- 8593AA - 15 {-ESVA-6 {- 4T-10D - 73 {- 4T-10D - 74 {- WJ-6611-513A - 23 {- WJ…

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JQA Application No. : KL80010421Regulation : CFR 47 FCC Rules Part 15 Model No.: IC-746PROIssue Date : November 27, 2001 FCC ID: AFJ IC-746PRO Page 17 of 53 Test System-Arrangement (Drawings) CI-V Level Converter ExternalAntenna SpeakerTuner ÚÚ ÚÚ Ú Ú 5050 50DC 13.8VΩΩΩ ABCDEFGH I J K L Power Supply HF/VHF Transceiver (EUT) MNO HeadphonesMicrophone Ú12-pinplugφ 120V/60Hz Note) Ú- No termination A - SENDI - 144MHz ANT B - ALCJ - DATA C-EXTSPK-ANT1 D-REMOTEL-ANT2 E - ACC(1)M - PHONES F - ACC(2)N - ELEC-KEY G-KEYO-MIC H-TUNER JQA Application No. : KL80010421Regulation : CFR 47 FCC Rules Part 15 Model No.: IC-746PROIssue Date : November 27, 2001 FCC ID: AFJ IC-746PRO Page 18 of 53 Preliminary Test and Test-setup(Drawings) AC Powerline Conducted Emission 450 kHz - 30 MHz: Measurement Procedure: IEEE 213(1987) & ANSI C63.4(1992) The preliminary test was performed receiving over each band, and the worst result was reported as the final test. Shielded Enclosure Ceiling Metal Plane Vertical Metal planeAntenna Coupling PadTestSignal ReceiverGenerator 0.4m ANT IN. EUT 0.75m LISN to AC Power JQA Application No. : KL80010421Regulation : CFR 47 FCC Rules Part 15 Model No.: IC-746PROIssue Date : November 27, 2001 FCC ID: AFJ IC-746PRO Page 19 of 53 Electromagnetic Field Radiated Emission 30 MHz - 1000 MHz: The preliminary test was performed according to the description of ANSI C63.4-1992 Sec.8.3.1.1 (Preliminary Radiated Emissions Tests) and Sec.6.2.1 (Tabletop Equipment Tests). The preliminary test was carried out to investigate the frequency of the emission that has the highest amplitude relative to the limits within normal operating modes, cable positions, and a typical system configuration. In order to find out to the maximum emission, the preliminary test and a final test were performed in accordance with the following steps. Step 1: One operation mode of the test system was setting. Step 2: Using a test receiver and a test antenna probe, the significant frequency of the emission's circumstance from the test system were investigated. These data were recorded every one of 22 divided bands in the specified frequency band (30 MHz - 1000 MHz). Step 3: Using a test receiver and a resonant tuned dipole antenna, the emission's circumstance from the test system was measured in according with ANSI C63.4-1992 Sec.8.3.1.2 (Final Radiated Emissions Tests) at each frequency which was found the higher emission referred to level vs. frequency on the list and which was measured by the resonant tuned dipole antenna. The maximum emission was found by changing the cable positions or cable manipulation under a typical system configuration. Step 4: Return to step 1, if the other operation mode was possible to be setting. Step 5: The worst result was reported arranging data of which was obtained and performed by one or plural operation modes as the final test. At the worst point that has the highest amplitude relative to the limit the repeatability of the level was reconfirmed. The photographs of the tests system setup on the worst point were taken and recorded. z-3m {-10m EUT1-4 mTest Receiver 0.8 m Ground0.25 m Plane Turntable30 MHz - 1000 MHz Resonant Tune Dipole Antenna JQA Application No. : KL80010421Regulation : CFR 47 FCC Rules Part 15 Model No.: IC-746PROIssue Date : November 27, 2001 FCC ID: AFJ IC-746PRO Page 20 of 53 Antenna-Conducted Power 30 MHz - 1000 MHz: The test was performed according to the description of ANSI C63.4-1992 Sec.12.1.5 (Antenna-Conducted Power Measurements). EUTTest ANT10dB PadReceiver INAttenuator JQA Application No. : KL80010421Regulation : CFR 47 FCC Rules Part 15 Model No.: IC-746PROIssue Date : November 27, 2001 FCC ID: AFJ IC-746PRO Page 21 of 53 38dB Rejection Test (§15.121(b)): The test(38dB Rejection Test) is carried out in accordance with procedure as follows. 1) Test system is composed as follows. SignalE U TResistorDistortion GeneratorLoad (8 )MeterΩ ANT IN 2) The setting frequencies of the signal generator were selected the bottom, the medium and the top frequency within each of the frequency bands allocated to the Cellular Radiotelephone Service in CFR 47 FCC Rules and Regulations Part 22 Subpart H. For transmitter in Mobile : 824.040 MHz, 836.505 MHz, 848.970 MHz For transmitter in Base: 869.040 MHz, 881.505 MHz, 893.970 MHz The setting output of the signal generator was adjusted to a level 60dB(μV). The setting frequency modulation was adjusted to an 1 kHz tone at 8 kHz deviation. 3) The EUT is capable of receiving 0.0300 MHz - 60.0000 MHz. For each frequency in step 2), the band of the EUT was scanned all over the range by stepping up every 1 kHz. Then the squelch of the EUT was adjusted to a minimum threshold level. Whenever the scanning stopped, the detected frequency was noted. 4) The EUT was tuning to the detected frequency under signal generator was setting to the same condition as step 3). At first, The volume position of the EUT was adjusted as the audio nominal power is set to 50mW at 8 .Ω The level of the signal generator(12dB SINAD level at the injected frequency) was adjusted as the distortion meter is set to produce a 12dB SINAD measurement (audio nominal power 50mW at 8 ,Ω and 25% of distortion). 5) The EUT was tuning to the detected frequency under signal generator was setting to the same detected frequency. At first, The volume position of the EUT was adjusted as the audio nominal power is set to 50mW at 8 .Ω The level of the signal generator(12dB SINAD level at the detected frequency) was adjusted as the distortion meter is set to produce a 12dB SINAD measurement (audio nominal power 50mW at 8 ,Ω and 25% of distortion). 6) The rejection ratio, i.e. the difference between the 12dB SINAD levels at the injected frequency and the detected frequency, must be at least 38dB. Page …

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JQA Application No. : KL80010421Regulation : CFR 47 FCC Rules Part 15 Model No.: IC-746PROIssue Date : November 27, 2001 FCC ID: AFJ IC-746PRO Page 17 of 53 Test System-Arrangement (Drawings) CI-V Level Converter ExternalAntenna SpeakerTuner ÚÚ ÚÚ Ú Ú 5050 50DC 13.8VΩΩΩ ABCDEFGH I J K L Power Supply HF/VHF Transceiver (EUT) MNO HeadphonesMicrophone Ú12-pinplugφ 120V/60Hz Note) Ú- No termination A - SENDI - 144MHz ANT B - ALCJ - DATA C-EXTSPK-ANT1 D-REMOTEL-ANT2 E - ACC(1)M - PHONES F - ACC(2)N - ELEC-KEY G-KEYO-MIC H-TUNER JQA Application No. : KL80010421Regulation : CFR 47 FCC Rules Part 15 Model No.: IC-746PROIssue Date : November 27, 2001 FCC ID: AFJ IC-746PRO Page 18 of 53 Preliminary Test and Test-setup(Drawings) AC Powerline Conducted Emission 450 kHz - 30 MHz: Measurement Procedure: IEEE 213(1987) & ANSI C63.4(1992) The preliminary test was performed receiving over each band, and the worst result was reported as the final test. Shielded Enclosure Ceiling Metal Plane Vertical Metal planeAntenna Coupling PadTestSignal ReceiverGenerator 0.4m ANT IN. EUT 0.75m LISN to AC Power JQA Application No. : KL80010421Regulation : CFR 47 FCC Rules Part 15 Model No.: IC-746PROIssue Date : November 27, 2001 FCC ID: AFJ IC-746PRO Page 19 of 53 Electromagnetic Field Radiated Emission 30 MHz - 1000 MHz: The preliminary test was performed according to the description of ANSI C63.4-1992 Sec.8.3.1.1 (Preliminary Radiated Emissions Tests) and Sec.6.2.1 (Tabletop Equipment Tests). The preliminary test was carried out to investigate the frequency of the emission that has the highest amplitude relative to the limits within normal operating modes, cable positions, and a typical system configuration. In order to find out to the maximum emission, the preliminary test and a final test were performed in accordance with the following steps. Step 1: One operation mode of the test system was setting. Step 2: Using a test receiver and a test antenna probe, the significant frequency of the emission's circumstance from the test system were investigated. These data were recorded every one of 22 divided bands in the specified frequency band (30 MHz - 1000 MHz). Step 3: Using a test receiver and a resonant tuned dipole antenna, the emission's circumstance from the test system was measured in according with ANSI C63.4-1992 Sec.8.3.1.2 (Final Radiated Emissions Tests) at each frequency which was found the higher emission referred to level vs. frequency on the list and which was measured by the resonant tuned dipole antenna. The maximum emission was found by changing the cable positions or cable manipulation under a typical system configuration. Step 4: Return to step 1, if the other operation mode was possible to be setting. Step 5: The worst result was reported arranging data of which was obtained and performed by one or plural operation modes as the final test. At the worst point that has the highest amplitude relative to the limit the repeatability of the level was reconfirmed. The photographs of the tests system setup on the worst point were taken and recorded. z-3m {-10m EUT1-4 mTest Receiver 0.8 m Ground0.25 m Plane Turntable30 MHz - 1000 MHz Resonant Tune Dipole Antenna JQA Application No. : KL80010421Regulation : CFR 47 FCC Rules Part 15 Model No.: IC-746PROIssue Date : November 27, 2001 FCC ID: AFJ IC-746PRO Page 20 of 53 Antenna-Conducted Power 30 MHz - 1000 MHz: The test was performed according to the description of ANSI C63.4-1992 Sec.12.1.5 (Antenna-Conducted Power Measurements). EUTTest ANT10dB PadReceiver INAttenuator JQA Application No. : KL80010421Regulation : CFR 47 FCC Rules Part 15 Model No.: IC-746PROIssue Date : November 27, 2001 FCC ID: AFJ IC-746PRO Page 21 of 53 38dB Rejection Test (§15.121(b)): The test(38dB Rejection Test) is carried out in accordance with procedure as follows. 1) Test system is composed as follows. SignalE U TResistorDistortion GeneratorLoad (8 )MeterΩ ANT IN 2) The setting frequencies of the signal generator were selected the bottom, the medium and the top frequency within each of the frequency bands allocated to the Cellular Radiotelephone Service in CFR 47 FCC Rules and Regulations Part 22 Subpart H. For transmitter in Mobile : 824.040 MHz, 836.505 MHz, 848.970 MHz For transmitter in Base: 869.040 MHz, 881.505 MHz, 893.970 MHz The setting output of the signal generator was adjusted to a level 60dB(μV). The setting frequency modulation was adjusted to an 1 kHz tone at 8 kHz deviation. 3) The EUT is capable of receiving 0.0300 MHz - 60.0000 MHz. For each frequency in step 2), the band of the EUT was scanned all over the range by stepping up every 1 kHz. Then the squelch of the EUT was adjusted to a minimum threshold level. Whenever the scanning stopped, the detected frequency was noted. 4) The EUT was tuning to the detected frequency under signal generator was setting to the same condition as step 3). At first, The volume position of the EUT was adjusted as the audio nominal power is set to 50mW at 8 .Ω The level of the signal generator(12dB SINAD level at the injected frequency) was adjusted as the distortion meter is set to produce a 12dB SINAD measurement (audio nominal power 50mW at 8 ,Ω and 25% of distortion). 5) The EUT was tuning to the detected frequency under signal generator was setting to the same detected frequency. At first, The volume position of the EUT was adjusted as the audio nominal power is set to 50mW at 8 .Ω The level of the signal generator(12dB SINAD level at the detected frequency) was adjusted as the distortion meter is set to produce a 12dB SINAD measurement (audio nominal power 50mW at 8 ,Ω and 25% of distortion). 6) The reject…

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