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How to program TK-880 2-tone silent monitoring?

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LZJSR

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I have a UHF TK-880 I want to use to stand by on our fire department's frequency, and only alert and turn the speaker on for monitoring once the proper 2-tone sequence for the battalion chief has been received. I can't figure out the settings in KPG-49D to get the radio to sit silently until the proper 2-tone sequence is received... does anyone know how to program it that way... do I need a microphone plugged in and grounded? And to add to it, there are three separate 2-tone sequences I would like to use, so I figured I would program channel 1 with one, channel 2 with another, and finally channel 3 with the third, then let it SCAN those three channels (all with same radio frequency but tone pair #1, 2, and 3) only.

Basically I want the radio to serve as a Motorola Minitor so I can export the audio via the Pushover app....

Thanks in advance....
 
DeoVindice

DeoVindice

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I don't use 2-tone signalling on my system, but I believe you'll need to do the following:
Enable AND signalling in the Optional Features 1 tab, then select one of your 2-tone calls in the Opt Signal field of channel settings. KPG-49D gives you three 2-tone calls to choose from, so you'll be able to program them all in via Edit -> 2-Tone. A microphone is not necessary for this; the TK-880 works just fine as a receiver with no microphone.

I'm not sure if the transceiver scan speed will let you do what you're after, but it's worth a shot. I don't have my radios set up to scan; we only use the frequencies licensed to my company and one for our client's repeater so a scan function isn't necessary.
 
ramal121

ramal121

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If your receive frequencies are the same for all three channels then scanning will definitely not work. If they are all different then you can try non-priority scan but will probably not be 100%.
 
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LZJSR

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So I verified the programming.... the next issue I have is that the frequency has a receive frequency with CSQ for tone, so the "AND" option doesn't help because there is not a pL tone to filter...
My next question is how to adjust the squelch level??? I am getting the constant white noise as if the squelch was set to 0...

Thanks in advance.
 
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