Retevis RT637 - Page 3

Product
Speaker
LCD
Antenna
1. Power button
Open or close
walkie-talkie
2. Menu button
Select menu options
Up/Down Button
Flashing LED
CTCSS /DCS
Battery Level meter
Volume
Key Lock Indicator
Channel/Menu Indicator
Tx/RX Icon
Scan Indicator
Vox indcator
1. Press it momentarily
to turnon the LED
2. Press and hold it to
enable the scanner
1. Transmit call tone
2. Lock and unlock
the keypad(when
held down and not
in a menu)
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