Question about Raymarine Ray45VHF (53 Channels) 2-Way Radio
With a Raymarine Ray45VHF, how memorize channels?
Why I cannot transmit?
When i use the PTT Channel 16 is automatically set ?
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 >
Hope this be of some help/idea. Post back how things turns up or should you need further information.
Good luck and kind regards.
Posted on Oct 15, 2007
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