Low tx power adjustment, Max deviation adjustment, Ctcss tone deviation adjustment – Yaesu VX-3R Сервис-мануал User Manual
Page 14: Dcs deviation adjustment, Alignment

14
Alignment
Low TX Power Adjustment
P
Connect the 50-Ohm Dummy Load and Wattmeter to
the ANT jack.
P
Rotate the DIAL knob one click clockwise to select the
alignment item "LP".
P
Press the [V/M] key.
P
Press the PTT switch, then rotate the DIAL knob so that
the Wattmeter reading is 0.1 W ±0.05 W.
P
Press the [V/M] key again.
MAX Deviation Adjustment
P
Connect the 50-Ohm Dummy Load, Wattmeter, and
Deviation Meter to the ANT jack.
P
Connect the AF Generator to the MIC/SP jack, and then
set the output level to 50 mV at 1 kHz.
P
Rotate the DIAL knob one click clockwise to select the
alignment item "dEV".
P
Press the [V/M] key.
P
Press the PTT switch, then rotate the DIAL knob so that
the Deviation meter reading is 4.2 kHz ±0.1 kHz.
P
Press the [V/M] key again.
CTCSS Tone Deviation Adjustment
P
Connect the 50-Ohm Dummy Load, Wattmeter, and
Deviation Meter to the ANT jack.
P
Rotate the DIAL knob one click clockwise to select the
alignment item "100".
P
Press the [V/M] key.
P
Press the PTT switch, then rotate the DIAL knob so that
the Deviation meter reading is 0.65 kHz ±0.05 kHz.
P
Press the [V/M] key again.
DCS Deviation Adjustment
P
Connect the 50-Ohm Dummy Load, Wattmeter, and
Deviation Meter to the ANT jack.
P
Rotate the DIAL knob one click clockwise to select the
alignment item "dCS".
P
Press the [V/M] key.
P
Press the PTT switch, then rotate the DIAL knob so that
the Deviation meter reading is 0.65 kHz ±0.05 kHz.
P
Press the [V/M] key again.
This completes the internal alignment routine for all
bands. To save all settings and exit, press the [HM/RV]
button.