AFJIC-2720HAmateur Transceiver with Scanning Receiver

INSTRUCTION MANUAL i2720H DUAL BAND FM TRANSCEIVER This device complies with Part 15 of the FCC rules. Operation is sub-ject to the following two conditions: (1) This device may not causeharmful interference, and (2) this device must accept any interferencereceived, including interference that may cause undesired operation. New2001 IC-2720H.qxd 02.9.9 8:12 Page 1 (1,1) i New2001 FOREWORDThank you for purchasing this Icom product. The IC-2720HVHF / UHF FM TRANSCEIVER is designed and built with Icom’s su- perior technology and craftsmanship. With proper care, thisproduct should provide you with years of trouble-free opera-tion. We want to take a couple of moments of your time to thankyou for making your IC-2720H your radio of choice, and hopeyou agree with Icom’s philosophy of “technology first.” Manyhours of research and development went into the design ofyour IC-2720H. DD FEATURES ❍ V/V, U/U simultaneous receive capability ❍ Independent controls for each left and rightbands ❍ Separate controller for flexible installation ❍ 50 W* of high transmit output power*VHF band; 35 W for UHF, 25 W for Taiwan version ❍ Remote control microphone standard ❍ New DMS (Dynamic Memory Scan) system IMPORTANTREAD ALL INSTRUCTIONS carefully and completely before using the transceiver. SAVE THIS INSTRUCTION MANUAL— This in- struction manual contains important operating instructions forthe IC-2720H. EXPLICIT DEFINITIONS WORD DEFINITION R WARNING! CAUTION NOTE Personal injury, fire hazard or electric shockmay occur.Equipment damage may occur.Recommended for optimum use. No risk ofpersonal injury, fire or electric shock. Icom, Icom Inc. and the logo are registered trademarks of Icom Incorporated (Japan) in the United States, the United Kingdom, Ger-many, France, Spain, Russia and/or other countries. IC-2720H.qxd 02.9.9 8:12 Page i (1,1) R WARNING RF EXPOSURE! This device emits Radio Frequency (RF) energy. Extreme caution should be observed when operating this device. If you have any questions regardingRF exposure and safety standards please refer to the FederalCommunications Commission Office of Engineering and Technol-ogy’s report on Evaluating Compliance with FCC Guidelines forHuman Radio frequency Electromagnetic Fields (OET Bulletin 65) . R WARNING! NEVER connect the transceiver to an AC outlet. This may pose a fire hazard or result in an electric shock. R WARNING! NEVER operate the transceiver while dri- ving a vehicle. Safe driving requires your full attention—anythingless may result in an accident. NEVER connect the transceiver to a power source of more than 16 V DC. This will damage the transceiver. NEVER connect the transceiver to a power source using re- verse polarity. This will damage the transceiver. NEVER cut the DC power cable between the DC plug and fuse holder. If an incorrect connection is made after cutting, thetransceiver may be damaged. NEVER expose the transceiver to rain, snow or any liquids. The transceiver may be damaged. NEVER operate or touch the transceiver with wet hands. This may result in an electric shock or damage the transceiver. NEVER place the transceiver where normal operation of the vehicle may be hindered or where it could cause bodily injury. NEVER let objects impede the operation of the cooling fan on the rear panel. DO NOT push the PTT when not actually desiring to transmit. DO NOT allow children to play with any radio equipment con- taining a transmitter.During mobile operation, DO NOT operate the transceiver without running the vehicle’s engine. When the transceiver’spower is ON and your vehicle’s engine is OFF, the vehicle’s bat-tery will soon become exhausted. BE CAREFUL! The transceiver will become hot when op- erating it continuously for long periods.AVOID using or placing the transceiver in direct sunlight or in areas with temperatures below –10°C (+14 ̊F) or above +60°C(+140 ̊F). AVOID the use of chemical agents such as benzine or alcohol when cleaning, as they can damage the transceiver’s surfaces.USE Icom microphones only (supplied or optional). Other man- ufacturer’s microphones have different pin assignments and maydamage the transceiver if attached. For U.S.A. onlyCAUTION: Changes or modifications to this device, not ex- pressly approved by Icom Inc., could void your authority tooperate this device under FCC regulations. ii New2001 PRECAUTION IC-2720H.qxd 02.9.9 8:12 Page ii (1,1) New2001 iii TABLE OF CONTENTS SUPPLIED ACCESSORIESq DC power cable (3 m) .............................................1 w Mobile mounting bracket .......................................1 e Microphone (HM-133)* ..........................................1 r Fuse (20 A) .........................................................1 t Mounting screws, nuts and washers .....................1 set y Microphone hanger ................................................1 u Remote controller bracket (MB-84) ...........................1 i Mounting screws, nuts and washers for MB-84 ......1 set o Separation cable † (3.5 m; 11.5 ft) ..............................1 *HM-118N HAND MICROPHONE or HM-118TN/TAN DTMF MICROPHONE supplied versions are also available. † A ferrite core is adapted for the USA version. qwe r ty uio FOREWORD ........................................................................................... iIMPORTANT ............................................................................................ iEXPLICIT DEFINITIONS ......................................................................... iPRECAUTION ........................................................................................ iiSUPPLIED ACCESSORIES .................................................................. iiiTABLE OF CONTENTS ......................................................................... iiiQUICK REFERENCE GUIDE ........................................................... I–XII  Installation ....................................................................................... I  Your first co…

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FCC ID Label Prat15 Label Serial Number Label *All in one sticker

JQA Application No. : KL80020253Regulation : CFR 47 FCC Rules Part 15 Model No.: IC-2720HIssue Date : October 24, 2002 FCC ID: AFJ IC-2720H Page 16 of 53 Test System-Arrangement (Drawings) ̄BController Microphone 50 ohms termination CBA Main Unit DGEF External Speaker External Speaker DC Power ̄Supply 1 2-pin plugφ 120V/60Hz Note) ̄-Notermination A- CONTROLLER- Ferrite Core BC- MIC- ANT DE- DATA- SP-1 FG-SP-2-DCIN JQA Application No. : KL80020253Regulation : CFR 47 FCC Rules Part 15 Model No.: IC-2720HIssue Date : October 24, 2002 FCC ID: AFJ IC-2720H Page 17 of 53 Preliminary Test and Test-setup(Drawings) 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 linearly polarized broadband 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. ò-3m ô-10m EUT1-4 mTest Receiver 0.8 m Ground Plane Turntable30 MHz - 300 MHz : Biconical Antenna 300 MHz - 1000 MHz : Log-periodic Antenna JQA Application No. : KL80020253Regulation : CFR 47 FCC Rules Part 15 Model No.: IC-2720HIssue Date : October 24, 2002 FCC ID: AFJ IC-2720H Page 18 of 53 Electromagnetic Field Radiated Emission 1 GHz - 1.05 GHz: 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: In order to investigate the frequencies of maximum emissions, the horn antenna position was approached to the EUT and the significant frequency of the emission's circumstance from the test system were investigated. These data were recorded in the specified frequency band (1 GHz - 1.05 GHz). Step 3: The emission's circumstance from the test system was measured in accordance with ANSI C63.4-1992, Sec.8.3.1.2 (Final Radiated Emissions Tests) at each frequency which was found higher emission referred to level vs. frequency on the list and which was measured in the specified distance using the horn antenna. 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. Pad Att. ò- 3 m10dB ô-10m Horn AntennaPre. Amp. EUT1-4 m Pad Att 10dB Ground0.8 mTest PlaneReceiver TurntableHorizontal and Vertical 1 to 4 m (Variable) JQA Application No. : KL80020253Regulation : CFR 47 FCC Rules Part 15 Model No.: IC-2720HIssue Date : October 24, 2002 FCC ID: AFJ IC-2720H Page 19 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, 835.020 MHz, 848.970 MHz For transmitter in Base: 869.040 MHz, 880.020 MHz, 893.970 MHz The setting output of the signal generator was adjusted to a level 66dB(μV). The setting frequency modulation was adjusted to an 1 kHz tone at 3 kHz deviation. 3) The EUT is capable of receiving 118.000 MHz - 999.995 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 a…

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