Icom IC-GM1600 Instruction Manual page 19

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
indicator OFF
(default)
D Signal strength indicator "Sl"
The signal strength indicator displays received signal strength
like an "S-meter". This function is convenient to check the sig-
nal 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 when the
signal strength indicator is ON.
Push
Signal strength
indicator OFF
(default)
Battery voltage
indicator ON
Signal strength
indicator ON
D Squelch sensitivity function "SS"
When this function is turned ON, blocking against noise is im-
proved. Therefore the squelch is not easily affected by noise.
Squelch sensitivity OFF
(default)
D VOX gain "ga" (Available for on-board use only)
Adjusts the VOX gain level (from 1 to 6) when speaking into
the optional headset.
• Setting the VOX gain to 1 increases the sensitivity.
• Setting the VOX gain to 6 reduces the sensitivity.
Push
VOX gain 3 (default)
SET MODE
Push
Squelch sensitivity ON
VOX gain 6
5
5
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