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MM-014716-001
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10.10 TURNING SCAN OFF
Toggle the scan operation OFF by pressing SCAN. The radio will resume operation on the selected
channel.
10.11 SQUELCH ADJUST
In the conventional mode of operation, the squelch can be re-adjusted in the MENU selection mode or
from a front panel key on the keypad that has been pre-programmed. A default value of 9, or any user
level between 1 and 16, can be selected using programming software. The user can change this setting
either of two ways from the front panel keys.
A value of 16 requires a strong signal to open squelch, a value of 2 requires a very weak
signal to open squelch, and a value of 1 is open squelch.
When the squelch adjust feature is activated, Channel Guard, T99 decode, and Scan are
disabled. When the squelch adjust feature is exited, Channel Guard, T99 decode, and
Scan are restored to their previous states.
10.11.1 Menu Selection
1. Press the MENU key and then use the ramp control to scroll through the selections until
SQUELCH is displayed. Then press MENU (select) again.
2. The display will show SQLCH=xx, where "xx" is the value between 1 and 16.
3. Use the ramp control
to scroll through the values. Then press the MENU (select) key to save
the new value after the display time-out (2 seconds). The displayed value will be selected and saved.
4. If the MENU or CLR key is pressed before the time-out, the menu feature will exit and the squelch
level will not be updated. The original value will be restored.
10.11.2 Pre-Programmed Keypad Key
1. Press the pre-programmed key and the display will indicate SQLCH=xx, where "xx" is the value
between 1 and 16.
2. Use the ramp control
to scroll through the values. Then press MENU to save the new value
or wait for the display time-out (2 seconds). The displayed value will be selected and saved.
3. If the CLR key is pressed before the time-out, the squelch level will not be updated and the original
value will be restored.
10.12 TYPE 99 DECODE
If the Type 99 Decode Option has been pre-programmed, individual selective calling is possible. The
radio can now decode individual, group or supergroup paging calls. Two sets of Type 99 paging codes
must be pre-programmed into the radio. When the radio decodes an appropriate Type 99 code sequence,
an alert tone and visual indicator is provided to the user. The receiver then operates as a noise squelched
unit until Type 99 is reset. Type 99 decode continues to operate during this noise squelched period. The
appropriate Type 99 alert tone will sound again if it detects a valid two-tone sequence.