Icom IC-M23 Instruction Manual page 25

D Dual/Tri-watch function
Set the watch type to Dualwatch or Tri-watch. (p. 16)
Push
Dualwatch function
(default)
D Monitor key action
The monitor key temporarily opens the squelch. This item sets
the key action.
• Pu (PUSH) : The Monitor function is activated by holding down
[MONI] (VOL/SQL). The squelch stays open while
holding down the key.
• Ho (HOLD) : The Monitor function is activated by holding down
[MONI] (VOL/SQL) for 1 second. The squelch stays
open until any key is pushed.
Push
Push setting (default)
"dt"
(Not available with Holland version)
Tri-watch function
"Sq"
Hold setting
D Automatic backlighting
This function is convenient for night-time operation. The
backlight can be selected from ON and OFF.
• The backlight is automatically activated when any key except
[PTT] is pushed.
• The backlight is automatically turned OFF after 5 seconds of inac-
tivity.
Auto backlighting ON
(default)
D LCD contrast setting
Set the LCD contrast level to High contrast or Low contrast.
The LCD contrast level has little effect during indoor use.
Push
High contrast (default)
SET MODE
"bL"
Push
Auto backlighting OFF
"LC"
Low contrast
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