Icom IC-M503 ï Internal speaker, ï LCD contrast, ï Scrambler code, ï Scrambler type, ï ATIS check

6 SET MODE

ïInternal speaker

When an optional external speaker is connected, the speak- ers on the transceiver and microphone can be muted.

Set mode

Internal speaker

Internal speaker ON (default) Internal speaker OFF

*Internal speaker setting is selectable on IC-M503 and HM-134 independently

ïLCD contrast

This item adjusts the contrast of the LCD in 8 steps.

Set mode

LCD contrast

LCD contrast 4 (default)

*LCD contrast setting is adjustable on IC-M503 and HM-134 in- dependently

ïScrambler code

When an optional scrambler unit is connected, the scrambler code can be set depending on dealer setting.

When the UT-98 or UT-112 is installed, 128 or 32 codes (0 to 127 or 1 to 32) can be selected, respectively.

Set mode

Scrambler code

Scrambler code 0 (UT-98 default) Scrambler code 127

ïScrambler type

When an optional scrambler unit is connected, the scrambler unit can be selected in set mode depending on dealer setting.

Set mode

Scrambler type

UT-98 scrambler unit UT-112 scrambler unit

ïATIS check

The ATIS ID code can be checked in set mode.

Set mode ATIS check 0123456789

ATIS code

16