Connections; Dimensions; Panel Descriptio; Front Panel - Retevis RM20 Bedienungsanleitung

After connecting the DC power cable, GPS receiver lead and external
speaker lead, cover the connector and leads with an adhesive tape as
below, to prevent water seeping into the transceiver.
External speakers (speakers) can be connected through the cables on the rear panel.
Connect the supplied DC power cable from this connector to an external 13.8V
DC power source. Do not connect to 24V storage battery. If insufficient current is supplied to the radio, t
he display may dim during transmission, or the transmission output power may drop significantly.
Connect to a 13.8V DC power supply through a DC power cable. Note that the positive and negative
polarities of the terminals should beconnected correctly. (Red is positive, black is negative)
One fuse is installed in the supplied DC power cable. If a fuse blows or the transceiver stops functioning, track down the source of the
problem, If possible, and replace the damaged fuse with a new, rated one,
• Please power off before replacing the fuse, the required fuse is DC15A/32V.
PANEL DESCRIPTION
1. Channel 16 / Call Channel Key [16]
-Push to select Channel 16.
-Push and hold for 1 sec. to select call channel.
"CALL" appears when the call channel is selected.
- While pushing and holding [CH/WX], push [16] to enter the channel comments programming condition.
- Push to move the cursor backward.
- While turning power ON, push [16] to enter set mode.
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