3
3. HOW TO USE THIS RADIO
3.1
Power On/Off the Radio
.................................................................
3.3
Channel Control
..............................................................................
3.2
Volume Control
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※Squelch level Control (short press)
※ASQ Control (long press)
(1)
Turn VOL switch clockwise to power on the radio, the LCD displays the
Norms and then displays channel number.
(2)
Turn VOL switch anti-clockwise, until hear Ka Ta, the radio is powered
off.
(1)
Short press [
UP
]/[
DN
] key to change channel by one step.
(2)
Hold [
UP
]/[
DN
] can fast changed channel.
Note:
The standard version support 12V DC power supply. optional version
(1)
Short press
SQ/AQ
, until LCD displays "
", "
" stands for
SQ/AQ level, the bigger value stands for high squelch level.
(2)
Short press microphone [
UP
] or [
DN
] to change SQ/AQ level.
(3)
Long press microphone [
UP
] or [
DN
] can fast change SQ/AQ level.
(4)
Short press
SQ/AQ
or wait for 10 seconds to store and exit.
Note:
The higher SQ level selected, the stronger signal required to open
speaker and hear the calling.
(1)
Long press
, until LCD displays "
AQ
", the ASQ function turned on.
(2)
Short press
, until LCD displays "
", "
" stands for ASQ
level, the bigger value stands for high squelch level.
(3)
Short press [
UP
]/[
DN
] to change ASQ level.
(4)
Hold [
UP
]/[
DN
] can fast change ASQ level.
(5)
Short press
or wait for 10 seconds to store and exit.
(6)
Long press
key again to turn on SQL function.
Note:
The higher ASQ level selected, the stronger signal required to open
speaker and hear the calling.
Turn clockwise to increase volume, anti-clockwise to decrease volume.
3.4
SQ/AQ
...................................................................................................
support 12+24V check your version before connect power supply.
AT-500M
