Plan the location of the transceiver and microphone bracket before starting the Model PPR-125 installation. Select a location that is convenient for operation and does not interfere with the drive or passengers in the automobiles, the transceiver is usually mounted the dash Channels panel with the microphone bracket beside it.
INSTALLATION INSTALLATION IGNITION NOISE INTERFERENCE TUNING THE ANTENNA FOR OPTIMUM S.W.R Use of a mobile receiver at low signal levels is normally limited by the presence of Since there is such a wide variety of base and mobile antennas, this section will strictly electrical noise.
INSTALLATION OPERATION FRONT PANEL If you’re having difficulties in adjusting your antenna, check the following: All doors must be closed when adjusting the antenna b. Make sure the antenna base is grounded. Check your coaxial cable routing (it may be pinched when routed into the car) d.
OPERATION OPERATION 5. RF GAIN CONTROL: This control is used to reduce the gain of the RF amplifier 17. ANT LED: This LED lights red when your SWR is higher than about 3:1. This is not under strong signal conditions. an exact indicator of 3:1 SWR, but it is an indication that you should check your SWR reading.
OPERATION OPERATION PROCEDURE TO RECEIVE AND TRANSMIT FREQUENCY CHART A. MICROPHONE Channel Channel Frequency Channel Channel Frequency The receiver and transmitter are controlled by the push-to-talk switch on the microphone. Press the switch and the transmitter is activated, release switch to receive. When 26.965 MHz 27.215 MHz transmitting, hold the microphone two inches from the mouth and speak clearly in a...
OPERATION OPERATION ALTERNATE MICROPHONES AND INSTALLATION 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 For best results, the user should select a low-impedance dynamic type microphone or a microphone plug is reassembled.
OPERATION OPERATION 5. The wires must now be soldered to the pins as indicated in the above wiring tables. If 9. The two cable clamp retainer screws should now be tightened to secure the housing to a vise or clamping tool is available it should be used to hold the pin receptacle body the microphone cord.
OPERATION A FEW RULES THAT SHOULD BE OBEYED 1. You are not allowed to carry on a conversation with another station for more than five minutes at a time without taking a one-minute break, to give others a chance to use the channel.