Yaesu VX-7R, Service Manual

15

High TX Power Adjustment

 (

L3 POWER

)

H

 Transmit, and adjust the output power level for 2.5 W

(±0.2 W) by rotating the 

DIAL

, then press the 

V/M

 but-

ton. Rotate the 

DIAL

 to select the next setting.

High TX Power Adjustment

 (

L2 POWER

)

H

 Transmit, and adjust the output power level for 1.0 W

(±0.1 W) by rotating the 

DIAL

, then press the 

V/M

 but-

ton. Rotate the 

DIAL

 to select the next setting.

High TX Power Adjustment

 (

L1 POWER

)

H

 Transmit, and adjust the output power level for 50 mW

(+50/-30 mW) by rotating the 

DIAL

, then press the 

V/M

button. Rotate the 

DIAL

 to select the next setting.

TX Deviation Adjustment 

(

MAX DEV

)

H

 Inject a 1 kHz audio tone at a level of 50mV (rms) to the

MIC jack. Press the 

V/M

 button, then transmit and ad-

just the deviation for 4.5 kHz (±0.2 kHz) (USA Version:
4.2 kHz (±0.2 kHz)) by rotating the 

DIAL

, then press the

V/M

 button. Rotate the 

DIAL

 to select the next setting.

AM Modulation 

(

AM MOD

)

H

 Inject a 1 kHz audio tone at a level of 100mV (rms) to

the MIC jack. Press the 

V/M

 button, then transmit and

adjust the modulation for 60% (±10%) by rotating the

DIAL

.

CTCSS Tx Deviation Adjustment 

(

TN 67.0

)

H

 Press the 

V/M

 button, then transmit and adjust the de-

viation for 0.6 kHz (+0.05/-0.1 kHz) by rotating the 

DIAL

,

then press the 

V/M

 button. Rotate the 

DIAL

 to select the

next setting.

CTCSS Tx Deviation Adjustment 

(

TN 167.9

)

H

 Press the 

V/M

 button, then transmit and adjust the de-

viation for 0.6 kHz (+0.05/-0.1 kHz) by rotating the 

DIAL

,

then press the 

V/M

 button. Rotate the 

DIAL

 to select the

next setting.

CTCSS Tx Deviation Adjustment 

(

TN 254.1

)

H

 Press the 

V/M

 button, then transmit and adjust the de-

viation for 0.6 kHz (+0.05/-0.1 kHz) by rotating the 

DIAL

,

then press the 

V/M

 button. Rotate the 

DIAL

 to select the

next setting.

DCS Tx Deviation Adjustment 

(

DCS DEV

)

H

 Press the 

V/M

 button, then transmit and adjust the de-

viation for 0.6 kHz (±0.1 kHz) by rotating the 

DIAL

, then

press the 

V/M

 button. Rotate the 

DIAL

 to select the next

setting.

Press the 

BAND

 button to activate the 145 MHz band

internal alignment routine.

The alignment frequency will automatically be set to

145.100 MHz (USA Version: 146.100 MHz).

144 MHz Band Alignment

Squelch Hysteresis Adjustment

 (

HIS SQL

)

H

 Rotate the 

DIAL

 for minimum squelch hysteresis. Press

the 

V/M

 button, then rotate the 

DIAL

 to select the next

setting.

Squelch Preset Threshold

 (

THLD SQL

)

H

 Inject a –15.0 dBµ RF signal (1 kHz tone @ ±3.5 kHz

deviation), then press the 

V/M

 button, then press the

MON/F

 button twice. Press the 

V/M

 button, then rotate

the 

DIAL

 to select the next setting.

Squelch Preset Tight

 (

TIGH SQL

)

H

 Adjust the generator level to –4.0 dBµ, then press the 

V/

M

 button, then press the 

MON/F

 button twice. Press the

V/M

 button, then rotate the 

DIAL

 to select the next set-

ting.

S-Meter S-1 Adjustment

 (

S1 LEVEL

)

H

 Adjust the generator level to –7.0 dBµ (1 kHz tone @

±3.5 kHz deviation), then press the 

V/M

 button, then

press the 

MON/F

 button twice. Press the 

V/M

 button, then

rotate the 

DIAL

 to select the next setting.

S-Meter Full-Scale Adjustment

 (

S9 LEVEL

)

H

 Adjust the generator level to +19 dBµ (1 kHz tone @

±3.5 kHz deviation), then press the 

V/M

 button, then

press the 

MON/F

 button twice. Press the 

V/M

 button, then

rotate the 

DIAL

 to select the next setting.

Wide-FM S-Meter S-1 Adjustment

 (

S1 LEVEL

)

H

 Adjust the generator level to 0 dBµ (1 kHz tone @ ±20

kHz deviation), then press the 

V/M

 button, then press

the 

MON/F

 button twice. Press the 

V/M

 button, then ro-

tate the 

DIAL

 to select the next setting.

Wide-FM S-Meter Full-Scale Adjustment

 (

S9 LEVEL

)

H

 Adjust the generator level to +20 dBµ (1 kHz tone @ ±20

kHz deviation), then press the 

V/M

 button, then press

the 

MON/F

 button twice. Press the 

V/M

 button, then ro-

tate the 

DIAL

 to select the next setting.

The alignment frequency will now be automatically set

to 144.000 MHz.

Alignment