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VX-120 OPERATING MANUAL18
ADVANCED OPERATION
RF SQUELCH
A special RF Squelch feature is provided on this radio. This feature allows you to set the
squelch so that only signals exceeding a certain S-meter level will open the squelch.
To set up the RF squelch circuit for operation, use the following procedure:
1. Press the
[
F
]
key, then press the
[
LOW
(
LOCK
)
SET
]
key to enter the Set mode.
2. Rotate the DIAL knob to select Set Mode Item 34: RF SQL.
3. Press the
[
F
]
key momentarily to enable adjustment of this Item.
4. Rotate the DIAL knob to select the desired signal strength level
for the squelch threshold (S-1, S-2, S-3, S-4, S-5, S-6, S-8,
S-FULL, or OFF).
5. Press the PTT switch to save the new setting and return to nor-
mal operation.
CHECKING THE BATTERY VOLTAGE
The VX-120s microprocessor includes programming which will measure the current bat-
tery voltage.
1. Press the
[
F
]
key, then press the
[
LOW
(
LOCK
)
SET
]
key to enter the Set mode.
2. Rotate the DIAL knob to select Set Mode Item 12: DC VLT.
3. Press the
[
F
]
key momentarily to display the current DC voltage
being supplied.
4. Press the
[
F
]
key, followed by the PTT switch to return to nor-
mal operation.
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