ABELL A-82 UHF Service Manual
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①
PTT(Push-To-Talk)switch
Press this switch, then speak into the microphone to call a station. Release the switch to receive.
②
Function Key
（
K1
）
This key is programmable, long key(Pressing time up to the pre-set) and short key(normal pressing
time) can be programmed to enable different function
Long key can be programmed to be: Moniter momentary, Moniter, Squelch off momentary, Squelch off,
Channel announcement, Alarm, Alarm off, Scan, Battery announcement, choose none to not use this
key.
Short key can be programmed to be: Monitor, Squelch off, Channel announcement, Alarm, Alarm off,
Scan, Battery announcement, choose none to not use this key.
Note: If the long key of K1 is set to be Monitor momentary or Squelch off momentary, the short key of
K1 can not set to be the above two function.
Function Key(K2)
③
This key is programmable, long key(Pressing time up to the pre-set) and short key(normal pressing
time) can be programmed to enable different function.
Long key can be programmed to be: Moniter momentary, Moniter, Squelch off momentary, Squelch off,
Channel announcement, Alarm, Alarm off, Scan, Battery announcement, choose none to not use this
key.
Short key can be programmed to be: Monitor, Squelch off, Channel announcement, Alarm, Alarm off,
Scan, Battery announcement, choose none to not use this key.
Note: If the long key of K1 is set to be Monitor momentary or Squelch off momentary, the short key of
K1 can not set to be the above two function.
④
Channel selector
Rotate to select channels 1-16.
⑤
LED indicator
Lights red while transmitting, green while receiving a signal.
Power switch/Volume control
Turn clockwise to switch the transceiver ON. Turn counterclockwise until a click sound, to switch the
transceiver OFF. Rotate to adjust the volume level.
4 Function instruction
Squelch off/Monitor
Function Squelch off is to open the noise limiting circuit forcibly when
Signal-to-Noise rate of the signal
doesn’t reach the start level(The squelch function fails), Function Monitor is to
open the noise limiting circuit
forcibly when
Signal-to-Noise rate of the signal reach the start level but mute code isn’t decoded. Momentary
status is that when press and hold the key, cancel the Squelch and Monitor function, when release the key, back
to normal. Stable status is that switch the squelch and monitor function by press the key.
TOT
Protect the radio by limiting long-time transmiting. “Time-Out Time” is the limitation time for transmiting.
“TOT Pre-Alert Time” is to set the time between the TOT Pre-Alert and TOT limit, “TOT Reset Time” is
the Clear Time for the TOT timer, “TOT Rekey Time” is the time need for transmiting enable after TOT
alerting.
Squelch Level
Adjust the elasticity degree of the squelch.
