Icom GM1600DU Instruction Manual page 22

Survival craft 2-way radio
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5
SET MODE
D Battery voltage indicator "bt"
Select whether or not to display the voltage of the battery on
the LCD at power ON.
• The voltage of the battery pack is displayed for 2 seconds after
power is turned ON.
Battery voltage
indicator OFF
(default)
D Signal strength indicator "Sl"
The signal strength indicator displays the relative received
signal strength like an "S-meter." This function is convenient
to visually check the signal strength.
• The strength is displayed in 4 steps.
• The antenna mark and 3 bars appear when a strong signal is received.
• The antenna mark only appears when receiving no signal when the
signal strength indicator is ON.
Signal strength
indicator OFF
(default)
14
Push
Battery voltage
indicator ON
Push
Signal strength
indicator ON
D Squelch sensitivity function "SS"
When this function is turned ON, blocking against the noise
is improved. Therefore the squelch is not easily affected by
noise.
Squelch sensitivity OFF
(default)
SET MODE LIST
Function
Indication
Beep Tone function
Monitor switch action
Backlight function
LCD contrast selection
Auto Power Save function
Self Check function
Battery voltage indicator
Signal strength indicator
Squelch sensitivity
*default setting
Push
Squelch sensitivity ON
Setting
"bP"
OFF/ON*/US
"Sq"
PUSH*/HOLD
"bL"
OFF/1/2/3*
"LC"
1/2/3*/4
"PS"
OFF/ON*
"SC"
OFF*/ON
"bt"
OFF*/ON
"SI"
OFF*/ON
"SS"
OFF*/ON

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