Yaesu VX-7R, Service Manual

18

Alignment

Press the 

SUB

 button to activate the SUB band internal

alignment routine.

The alignment frequency will automatically be set to

435.100 MHz (USA Version: 440.100 MHz) on the SUB
band.

SUB Band Alignment
430 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 –13.0 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 –6.0 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 setting.

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 +20 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.

Press the 

BAND

 button to activate the 50 MHz SUB band

internal alignment routine.

The alignment frequency will automatically be set to

52.100 MHz.

50 MHz SUB 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 –13.0 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.

Press the 

BAND

 button to activate the 144 MHz SUB band

internal alignment routine.

The alignment frequency will automatically be set to

145.100 MHz (USA Version: 146.100 MHz).

144 MHz SUB 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 –6.0 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 setting.

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

presses the 

MON/F

 button twice. Press the 

V/M

 button.

This completes the internal alignment routine for all bands.

To save all settings and exit, press the 

HM/RV

 button.