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Galaxy DX 979 Owner's manual

Other manuals for DX 979: Service Manual

Summary of DX 979

  • Page 1

    Dx 979 am / ssb two way citizens band mobile transceiver with starlite face plate owners manual - 1 - table of contents page chapter 1 specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 chapter 2 installation . . . . . . . . . . . . . . ....

  • Page 2

    - 2 - chapter 1 specifications general model dx 979 channels 40 frequency range 26.965 ~ 27.405 mhz emission am/usb/lsb frequency control phase-lock-loop (pll) synthesizer frequency stability 0.001% temperature range -30 °c to +50°c antenna impedance 50 ohms antenna connectors standard so-239 type i...

  • Page 3

    - 4 - ignition noise interference with weak signals, you may experience interference of the signal by background noise. This radio has nb and anl circuits which will help reduce background noise from sources such as your ignition system. However, background electrical noise may come from several sou...

  • Page 4

    - 6 - 5. Mic gain control: adjusts the microphone gain in the transmit and pa modes. This controls the gain to the extent that full talk power is available several inches away from the microphone. In the public address (pa) mode, the control functions as the volume control. 6. Rf power control: this...

  • Page 5

    - 8 - rear panel 1. Antenna: this jack accepts a 50 ohm coaxial cable with a pl-259 type plug. 2. Dc power: this jack accepts the 13.8v dc power cable with built-in fuse. The power cord provided with the radio has a black and red wire. The black goes to negative and red goes to positive. 3. Pa sp: t...

  • Page 6

    - 10 - 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 two inches from your mouth and speak clearly in...

  • Page 7

    - 12 - thus when a voice is used in place of a whistle or tone, in the proper listening mode the voice will be received correctly whereas in the incorrect mode, the voice will be translated backwards and cannot be made intelligible by the clarifier control. When listening to an am transmission, a co...

  • Page 8

    - 14 - 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....

  • Page 9

    - 16 - 9. The two cable clamp retainer screws should now be tightened to secure the housing to the microphone cord. If the cutting directions have been carefully followed, the cable clamp should secure to the insulation jacket of the microphone cable. 10. Upon completion of the microphone plug wirin...

  • Page 10

    - 18 - use channel 9 for emergency messages only the fcc gives the following examples of permitted and prohibited types of communications for use in an emergency. These are guidelines and are not intended to be all inclusive. Permitted example message yes “a tornado sighted six miles north of town. ...

  • Page 11

    Memo memo.

  • Page 12

    Two year warranty this new galaxy radio is covered by a two year limited warranty. Here are the details. • all of our galaxy radio model numbers begin with the letters “dx” and are covered by our limited two year parts and labor warranty. • “limited” means that we will repair problems caused by fact...

  • Page 13

    Printed in china at0919030a.