
Navicom RT-420
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MEM
Press the MEM to enter the memory mode when there is at least one channel in the memory. The
channel sequences will follow the programmed channels in the memory. The “MEM” icon will be
turned on. Short press the SCAN will start MEMORY SCAN.
Adding/Deleting CH from the memory:
1. During the normal mode, use the UP/DOWN key to select the desired channel for
programming.
2. Long press the MEM key to store up the channel as memory channel.
3.
The “M” icon shows up to indicate the current channel has been saved in the memory. No
limited of memory channels.
4. Separate memory channel exists for USA, International, and Canadian Frequency group.
5. During the normal mode, use the UP/DOWN key to select the channel to be deleted.
6. Long press the MEM key to delete the channel from the memory.
Watch
Dual Watch
Short press DW/TriW key to activate the DUAL WATCH mode. Monitor the current channel and Ch 16
in cycle.
Whenever, Weather Alert is activated, the Wx Alert channel will be monitored once every 4sec.
Current Channel - CH 16 – Current Channel – CH 16 – Wx Alert - Current Channel -
…
Tri Watch
Long press DW/TRI key to activate the TRI WATCH mode. Monitor the Ch 16, current channel and
the 2nd Priority CH in cycle.
Note: programmed channel is the secondary priority Channel. Default secondary priority channel is
CH9.
Current Channel – CH 16 – 2nd Priority CH – Current Channel – CH 16 – 2nd Priority CH – Current
Channel - …
Note: When weather Alert is enabled, similar scheduling as the Dual-watch is used.
Backlight
Any key press will turn on the backlit (if backlit setting is ON) except the PTT key. The backlit should
be remaining on for 5 sec if no any keys pressed. The time out will be reset if any key pressed within
the time frame.
Key Lock
Long press for 4 sec the Hi/Lo/Lock key will lock the keypad except the PTT key and backlight
function. A key lock icon will be displayed. Long press the Hi/Lo/Lock key again will release the key
lock function.