Basic Operation; Microphone Gain Setting; Rf Squelch - Yaesu FTM-7250DR Advance Manual

Basic Operation

Microphone Gain Setting

The microphone gain has been programmed at the factory to a level that should be
satisfactory for the supplied MH-48A6JA Microphone. If an after-market microphone is
used, you may wish to set a different Mic Gain level.
1. Press and hold the [ MHz ( SETUP )] key to enter the
Set mode.
2. Rotate the DIAL knob to select "MIC GAIN 25".
3. Press the [ MHz ( SETUP )] key, then rotate the
DIAL knob to select the desired microphone gain
level (LEVEL 1 - LEVEL 9).
Default: LEVEL 5
4. Press and hold the [ MHz ( SETUP )] key to save the
new setting and exit to normal operation.

RF Squelch

A special RF Squelch feature is provided on this radio, which allows setting the squelch so
that only signals exceeding a pre-set S-meter level will open the squelch.
Use the following procedure to set up the RF squelch circuit for operation:
1. Press and hold the [ MHz ( SETUP )] key to enter the
Set mode.
2. Rotate the DIAL knob to select "RF SQL 34".
3. Press the [ MHz ( SETUP )] key, then rotate the DIAL
knob to select the desired signal strength level for
the squelch threshold (S1 - S8 or OFF).
Default: OFF
4. Press and hold the [ MHz ( SETUP )] key to save the
new setting and exit to normal operation.
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