Yaesu IC-735 [6/149] 3 microphone

Содержание

SECTION 2 INSTALLATION AND CONNECTIONS 2 1 INSTALLATION RECOMMENDATIONS 1 Avoid placing the IC 735 in spots where high tempera tures direct sunlight and dust are prevalent 2 The temperature of the transceiver usually becomes relatively high while transmitting so place any accessory equipment at least 3 centimeters 1 inch away from the unit in order to allow for adquate ventilation Be sure to keep the PA heatsink and the area around it clear of obstructions Also avoid putting the unit near heater outlets air conditioners etc 3 Position the unit so that the controls and switches can be handled easily and the frequency display and meter can be clearly seen 4 For mobile installations an optional mounting bracket is available Select a location that can support the weight of the unit and that does not interfere with the driver in any way 5 Use the Ground Terminal 2 2 ANTENNA Antennas play a very important role in radio communication If the antenna is inferior your transceiver cannot perform to 2 4 CW KEY optimum For CW operation connect a CW key to the KEY JACK using capacity ensured by antenna After High quality using a performance well matched obtaining your feedline antenna and preferably can be 50 ohm on with high gain that operates on the bands of interest intall it as the supplied standard 1 4 inch 3 conductor plug See the diagrams for connection details high as possible Be especially careful when installing the connectors since poor or loose connections greatly reduce Observe the correct polarity of all leads when wiring Note the overall efficiency of the system that the keyed voltage when switching with semiconductors or with relays must be less than 0 4 volts when there are MOBILE ANTENNA resistors in the circuit ICOM s new AH 2 HF ALL BAND antenna is suitable for bumper mounting dealers When and installing is available any mobile at authorized antenna be ICOM sure to Wiring for straight key connect the antenna s ground terminal to the body of the vehicle NOTE To install the AH 2 the OPC 118 interface cable must be purchased separately 2 3 MICROPHONE The supplied IC HM12 electret condenser hand micro phone or optional SM 8 desk microphone may be used with the IC 735 Just plug it into the MIC CONNECTOR on the front panel If you wish to use a different microphone be sure it has the proper output level Also be careful when wiring a different electrical switching microphone system since requires the the IC 735 s correct internal connec tions in order to function properly Refer to the schematics for the correct hookup 2 1 Wiring for an iambic paddle