Question about Two-Way Radios
The RX symbol and static noise would only appear if the squelch is down or if you are receiving something from a transmitter.
Receiving something could mean either an intelligent radio transmission from another comparable unit or this could also be spillover signals from adjacent radio transmitters strong enough to override the squelch settings normally called "splatter". At times, electronic devices could cause this effect such as RFI (radio frequency interference) from units such as a personal computer.
It is also possible that your Monitor Mode is "ON", turning it OFF would possibly resolve the issue To turn OFF monitor mode:Press the vol/mon UP or DOWN key. The RX icon will stop blinking and disappears.
In some cases, a component failure would cause this problem. Your GMR1035-2 uses an Automatic Squelch Feature, this would mean the use of a FM Discriminator Chip for Squelch Control. Most manufacturers uses an MC3357P IC chip for this purpose. This of course would require opening the unit, desoldering the suspected component and solder in a replacement. This would further require that you be familiar with electronic components, circuitry, DVM and a low wattage soldering iron. Should you not be comfortable doing this, perhaps your best bet would be to seek the services of a qualified technician.
Hope this be of some help/idea. Post back how things turned up or should you need additional information.
Good luck and kind regards.
Posted on Nov 10, 2007
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Your radio allows you to listen for weak signals on
the current channel at the press of a key.
To turn ON the Monitor Mode:
• For brief listening, press MON button. The RX
• Press and hold MON button for 2 seconds until
two beeps sound for continuous listening. The
receiver circuit stays open, letting both the noise
and weak signals to be heard.
To turn OFF Monitor Mode:
Press MON button to return to "Normal" mode,
and the RX icon stops blinking and disappears.
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