The 2 pair will receive a Audiovox transmission, so they are receiving. If I turn them on they will transmit for a half second then stop. This brief transmission is received on any radio on the same frequency but cuts out. These radios belong to my cycling club so the manual has been lost, no surprise, so I can't set anything on Menu asides fron Channel, Sideband and Call Tones. Any ideas?
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Re: FR60 intermittent transmission
It could be battery / power issue. Two-way radios draw much more power when transmitting then receiving. If the batteries are weak the radio might work perfectly fine on receive and then cut-out when you depress the Push-To-Talk.
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Check the "code" (interference eliminator code) on the FR60 and set it to off or zero. It appears from your description the Cobras do not have "code" turned on. Refer to your user guide to find the instructions for turning off the code. (As of this date we have not found an FR60 manual posted online.)
Most radios of this series would have Interference Eliminator Codes. The codes
incoming transmission not with the same code (number). There could be
similar radios working on the same channel/frequency, but if they do
not have the same code then neither one would hear each other. This
does not make a channel "private", rather it limits what one can hear
on that channel to another radio with an identical setting of the code.
In some Motorola models, pressing the Menu button until the small
numbers/code flashes would enable them to be changed. To change, press
the + or - keys. Pressing the MON key or setting the code to Zero would
enable the radio to receive and sound off all incoming signals with or
without the code.
Hope this be of initial help/idea. Pls post
back how things turned up or should you need additional information.
Good luck and kind regards. Thank you for using FixYa.
First I would check the interference code on both radios to see if it is set the same. It is possible you have one set to zero and the other set to another number. This would cause the problem you describe. The interference eliminator is designed to block out transmissions from radios whose settings do not match it.
If all your settings are identical, and you have only 2 radios, it is not possible to tell which one has the problem. You either have one with no transmit or one with no receive. The only way to tell which you have is to get a 3rd radio involved, set to the same settings.
follow instructions on page 13 of your manual "using monitor button" place receiving radio in monitor and key up other radio. It is better if you have someone help. have another person take the radio to another room away from you to complete test. sometimes if the radios are two close too each other they will cancel each other out.
It is possible that your Motorola FR60 though on the same channel/frequency have different CTCSS settings. CTSS is also known as Interference Eliminator Code or Coded squelch, Private-Line, PL, Quiet Call, Channel, Guard, etc. What needs to be done is to set both to the same code setting on the settings/menu. Turning the code/CTCSS OFF would also serve the same but allow other radios (without CTCSS) to be likewise received/heard.
If they are already on the same code setting and still no receive audio, it is possible a fault on the squelch, receive/audio circuitry or even the speaker itself which of course would require hands-on/in-shop service.
Hope that this be of some help/idea. Pls post back how things turned out or should you need additional information.