SPECIFICATIONS GENERAL Model MX-36HP3 Frequency Range 28.765 ~ 29.205 MHz Emission Frequency Control Phase-Lock-loop (PLL) Synthesizer Frequency Stability 0.001% Temperature Range -20C to +50C Antenna Impedance 50 Ohms Antenna Connectors Standard SO-239 type Input Voltage 13.8V DC Size 7- 3/8” (W) x 8- 3/4” (D) x 2- 1/4” (H) Weight 4.2 lbs.
INSTALLATION INSTALLING THE RADIO Choose a convenient location for operation that does not interfere with driver or passenger. This radio is supplied with a universal mounting bracket. When mounting the bracket and radio to your car, make sure it is mechanically strong. Also, provide a good electrical grounding connection to the chassis of vehicle.
OPERATION IGNITION NOISE INTERFERENCE With weak signals, you may experience interference of the signal by background noise. This radio has NB and ANL circuits that will help reduce background noise from sources such as your ignition system. However, background electrical noise may come from several sources and all noise may not be eliminated.
OPERATION FRONT PANEL 12 13 14 15 16 17 18 1. MICROPHONE JACK: Used for connecting a microphone for voice source. 2. SQUELCH CONTROL: This switch is used to eliminate background noise being heard through the receiver, which can be disturbing when no transmission is being heard through the received. To use this feature, turn the switch fully counterclockwise and then turn clockwise slowly until the background noise is just eliminated.
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7. ECHO/TIME CONTROL: The ECHO control is used for echo effect. The TIME control is used to control the intervals of the echo sound. 8. RF POWER CONTROL: This control enables adjustment of RF power output continuously up to the rated output power. 9.
19. ANT LED: This LED lights red when your SWR is higher than about 3:1. This is not an exact indicator of 3:1 SWR, but it is an indication that you should check your antenna and its components. 20. CHANNEL DISPLAY: The channel display indicates the current selected channel. REAR PANEL 1.
OPERATION PROCEDURE TO RECEIVE AND TRANSMIT A. MICROPHONE The push-to-talk switch on the microphone controls the receiver and transmitter. Press the switch and the transmitter is activated, release switch to receive. When transmitting, hold the microphone close to the mouth and speak clearly in a normal voice. This transceiver comes complete with a low impedance Noise cancelling dynamic microphone.
OPERATION ALTERNATE MICROPHONES AND INSTALLATION For best results, the user should select a low-impedance dynamic type microphone or a transistorized microphone. Transistorized type microphones have low output impedance characteristics. The microphones must be provided with a four-lead cable. The audio conductor and its shielded lead comprise two of the leads.
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Before beginning the actual wiring, read carefully the circuit and wiring information provided with the microphone you select. Use the minimum heat required in soldering the connections. Keep the exposed wire lengths to a minimum to avoid shorting when the microphone plug is reassembled. Fig.
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Fig. 3 Microphone plug pin numbers viewed from rear of pin receptacle. 7. Be sure that the housing and the knurled ring of Figure 2 are pushed back onto the microphone cable before starting to solder. If the washer is not captive to the pin receptacle body, make sure that it is placed on the threaded portion of the pin receptacle body before soldering.
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