Retevis RT73 Quick Start Manual page 2

Channel Mode adjustment.
• There are 4 CH modes
for selection options.
1. Analog is for
only Analog
mode.
2. Digital is for only
Digital mode.
3. A&D,TX-A
means it can
receive both
analog and
digital, but will
transmit to a
Analog channel.
4. A&D,TX-D
means you can
receive from
analog and
digital channels,
but transmit to
digital channel.
Mic, Keypad controls
On the microphone, switch the
Retevis RT73 Cheatsheet
space key, capital and lower-
case letters, numbers,
punctuation as below picture
shows.
Short press number1 key to
switch punctuations, Long press
Down key is the Space Key,
Long press the Up key to switch
between capatical and
lowercase letters,
numbers,PinYin; "BE" back key
is delete key.