Icom IC-GM1600E Instruction Manual page 17

D Self check function "SC"
The self check function checks the transceiver conditions by
itself, and informs you in case a problem is found. Self check
automatically and quickly runs through its diagnostic steps
each time the radio is turned ON. Afterwards, the radio
switches to normal operation mode.
• Temperature : Outside of –35°C to +80°C (approx.)
• Connected battery voltage
Push
Self check OFF (default)
When error messages as shown below are displayed, see
troubleshooting for advice. (p. 21)
Temperature error
Self check ON
Battery voltage error
D Battery voltage indicator "bt"
This function controls display or non-display settings of the
connected battery pack's voltage when the power is ON.
• The voltage of the connected battery pack is displayed for 2 sec.
after power is turned ON.
Push
Battery voltage
indication OFF
(default)
D Signal strength indicator "Sl"
The signal strength indicator displays received signal
strength as "S-meter". This function is convenient to check
the signal strength visually.
• The strength is displayed at 4 steps.
• The antenna mark and 3 bars appear when receiving strong signals.
• The antenna mark only appears when receiving no signal.
Push
Signal strength
indication OFF
(default)
5
SET MODE
5
Battery voltage
indication ON
Signal strength
indication ON
13