I got button pushing happy on our AXU 4100, and can not longer transmit or receive on our primary channel. While trying to fix the issue, I was able to talk on another channel with another radio, but only that one radio. Is there a way to reset the radio back to default settings, or is there a way to re-program it manually to restore it back. And how do I do this???
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only digital signal is available now analog has been switched off no longer transmitting. You could try returning in all of your channels from the main menu the tv can do this automatically but you need to select the procedure . retune the digital channels only 1. click on the home button 2. scroll sideways till you reach settings 3. in settings scroll down or up and click on digital set-up (centre button of your scroll control) 4.then scroll down to, and click on digital auto tuning (centre button of your scroll control) this will activate automatic channel tuning the tv will do the rest and will wipe out old settings and retune in all channels
You want to be able to transmit to the Coast Station on this frequency I assume. The Coast Guard monitors channel 16 at all times. This would be the primary channel in the United States. Your radio is VHF Marine Radio and has a built in frequency range of 156.050 MHz to 163.275 MHz. There is no need for a modification. This is a duplex frequency. What that means is you will transmit on one frequency and receive on another, while on channel 20. You will not need to transmit on 161.600. Turn your radio to channel 20. When you transmit, you will transmit on 157.000. And when the Port responds to you your radio will automatically receive their signal on 161.600. So if you are trying to figure out how to communicate with the port authorities then for that frequency turn your radio to channel 20 and you will be able to communicate with them.
You may have a sub-channel/privacy channel activated. Unless the person/s you are trying to talk to have the same channel and code set they will not be able to hear you. Check your manual for specific instructions on how to reset it to the default.
To troubleshoot: Unlock your keypad lock, then reprogram your radios to the following settings. (Check function after each change)
1) Shut off the Interference Eliminator (set to zero).
2) Turn off the Qt filter.
3) Vox setting to off.
By shutting off all the "bells and whistles" of the radio, you will take it back to being just simply on a frequency. If your radios do not communicate with one another then, or with your friend's radios, you have radio which is failing to operate.
If the radios do work in this simple mode. One by one add the special features back until you discover the culprit.
Re your queries: 1. how to memorize channels? The channels are pre-programmed that a channel number corresponds to a frequency setting. Ex. Ch16 is 156.800 . If for some reasons some channels are missing, perhaps your best course of action is to reset the unit to factory default, that way everything would be back to normal. Master reset is performed by pressing the 16PLUS button while powering the radio. The LCD will display "CL" indicating that the memory has been cleared. If you want to memorize a certain channel/frequency, you can only store it as a replacement for 16PLUS assignment. Ex. Instead of Ch16 as your priority/emergency channel you want say Ch14 (156.700), you can do this by pressing the up/down key till your desired channel; press & hold the 16PLUS key for 3 seconds or until you hear the confirmation beep that your desired channel has been memorized in the memory as the new 16PLUS.
2. Why I cannot transmit? There could be 2 possible reasons: 2.1 You are transmitting on a channel that has been assigned as receive only. Examples are the weather channels, Channels 1,2,3, also 70,75,76, and possibly others. 2.2 Your TX module/circuitry has a problem. More often it is the finals that gets burned.
3. When i use the PTT Channel 16 is automatically set ? The mic has an identical 16PLUS button (similar to the radio's front panel). If you pressed the PTT switch on the side and the radio switches to Ch16 (as if you pressed the 16PLUS button on the front) then you have a wiring problem from the mic to the radio. Possibly a shorted or open connection. It is also possible that you have a break in the small PCB (in some versions) inside the microphone.
The user's manual can provide a more detailed instruction. It is available at the RayMarine website and the link is > http://www.raymarine.com/SubmittedFiles/Handbooks/Legacy_Handbooks/communications/RAY45MANUAL.pdf
Hope this be of some help/idea. Post back how things turns up or should you need further information.
Do you hear the Beeps on the speaker?
Check for the QT and the code squelch are the same in both radios, try to set code squelch in "0".
Make sure that the radio is not receiving or the other one is not transmiting, with two radios will see the same.
I have never seen this problem before, check if the VOX is activated, this could cause to transmit the radio, but the voice must be transmited.
check if the Accesory connector is not dirty, clogged or damaged