Icom IC-M31 Instruction Manual page 24

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7
SET MODE
D LCD contrast selection "LC"
The contrast of the LCD can be turned ON (high contrast) and
OFF (low contrast).
LCD contrast ON
(default)
D Power save function "PS"
The power save function reduces current drain by deactivat-
ing the receiver circuit for preset intervals.
• ON : The power save function is turned ON. The power save func-
tion will activate when no signal is received, and no operation
is performed for 5 sec.
• OFF: The power save function is turned OFF.
Power save ON
(default)
19
Push
LCD contrast OFF
Push
Power save OFF
D Self check function "SC"
The self check function checks transceiver conditions by it-
self, and informs you in case a problem is found. The follow-
ing items are checked after the power is turned ON, then it
switches to operation mode.
• Temperature : Outside of –25°C to +65°C (approx.)
• Connected battery voltage
• Water intrusion
Push
Self check OFF (default)
When error messages as shown below are displayed, see
troubleshooting for advice. (p. 27)
Temperature error
Battery voltage error
Self check ON
Water intrusion error

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