Yaesu VX-7R, Service Manual

13

L1 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 50 mV (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.

CTCSS Tx Deviation Adjustment 

(

TN 67.0

)

H

 Press the 

V/M

 button, then transmit and adjust the de-

viation for 0.5 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 183.5

)

H

 Press the 

V/M

 button, then transmit and adjust the de-

viation for 0.5 kHz (±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 0.5 kHz (±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 

MON/F

 to activate the TX Power and Devia-

tion alignment routine.

The alignment frequency will automatically be set to

440.000 MHz (USA Version: 450.000 MHz).

High TX Power Adjustment

 (

HI POWER

)

H

 Transmit, and adjust the output power level for 5.0 W

(±0.3 W) by rotating the 

DIAL

, then press the 

V/M

 but-

ton. Rotate the 

DIAL

 to select the next setting.

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 adjust

the deviation for 4.5 kHz (±0.2 kHz) (USA Version: 4.2
kHz (±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 67.0

)

H

 Press the 

V/M

 button, then transmit and adjust the de-

viation for 0.5 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 183.5

)

H

 Press the 

V/M

 button, then transmit and adjust the de-

viation for 0.5 kHz (±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 0.5 kHz (±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) (USA Version: 0.9 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 50 MHz band

internal alignment routine.

The alignment frequency will automatically be set to

52.100 MHz.

50 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.

Alignment