10
Alignment
r
Tune the receiver to 448.250 MHz.
r
Press and hold the [
SCAN
] key for 2 seconds,
the rotate the
DIAL knob
to select the display to
"
SU
."
r
Press and hold the [
SCAN
] key for 2 second while
press and holding the [
FUNC
] key. "
SQL SET
"
will appears on the display. Sounds a beep.
SQL Level Adjustment
NFM mode:
r
Connect the RF Signal Generator to ANT jack.
r
Set the receiver to 100.050 MHz, NFM mode.
r
Press the [
SCAN
] key. "
SQL
" will appear on the
display.
r
Tune the SSG to 100.050 MHz with ±3.5 kHz
deviation @1 kHz tone modulation, and set the
output level to -12 dBµ.
r
Press the [
BND
(
p
)] key while press and holding
[
FUNC
] key. "
SQL SL
" will appear on the display.
r
Press the [
V/M
] key while press and holding
[
FUNC
] key. Sounds a beep.
r
Increase the SSG output level to 2 dBµ.
r
Press the [
SCAN
] key while press and holding
[
FUNC
] key. "
SQL TI
" will appear on the display.
r
Press the [
V/M
] key while press and holding
[
FUNC
] key. Sounds a beep.
r
Press the [
MODE
] key while press and holding
[
FUNC
] key. "
S Q L CR
" will appear on the
display.
r
Press the [
V/M
] key while press and holding
[
FUNC
] key. Sounds a beep.
WFM mode:
r
Set the receiver to 100.050 MHz, WFM mode.
r
Press the [
SCAN
] key. "
SQL
" will appear on the
display.
r
Tune the SSG to 100.050 MHz with ±75 kHz
deviation @1 kHz tone modulation, and set the
output level to 2 dBµ.
r
Press the [
BND
(
p
)] key while press and holding
[
FUNC
] key. "
SQL SL
" will appear on the display.
r
Press the [
V/M
] key while press and holding
[
FUNC
] key. Sounds a beep.
r
Increase the SSG output level to 15 dBµ.
r
Press the [
SCAN
] key while press and holding
[
FUNC
] key. "
SQL TI
" will appear on the display.
r
Press the [
V/M
] key while press and holding
[
FUNC
] key. Sounds a beep.
r
Press the [
MODE
] key while press and holding
[
FUNC
] key. "
S Q L CR
" will appear on the
display.
r
Press the [
V/M
] key while press and holding
[
FUNC
] key. Sounds a beep.
AM mode:
r
Set the receiver to 1.050 MHz, AM mode.
r
Press the [
SCAN
] key. "
SQL
" will appear on the
display.
r
Tune the SSG to 1.050 MHz with 30%
modulation @1 kHz tone, and set the output level
to -5 dBµ.
r
Press the [
BND
(
p
)] key while press and holding
[
FUNC
] key. "
SQL SL
" will appear on the display.
r
Press the [
V/M
] key while press and holding
[
FUNC
] key. Sounds a beep.
r
Increase the SSG output level to 8 dBµ.
r
Press the [
SCAN
] key while press and holding
[
FUNC
] key. "
SQL TI
" will appear on the display.
r
Press the [
V/M
] key while press and holding
[
FUNC
] key. Sounds a beep.
r
Press the [
MODE
] key while press and holding
[
FUNC
] key. "
S Q L CR
" will appear on the
display.
r
Press the [
V/M
] key while press and holding
[
FUNC
] key. Sounds a beep.
S-Meter Adjustment
NFM mode:
r
Connect the RF Signal Generator to ANT jack.
r
Set the receiver to 100.050 MHz, NFM mode.
r
Press the [
BND
(
p
)]. "
S M ET
" will appear on the
display.
r
Tune the SSG to 100.050 MHz with ±3.5 kHz
deviation @1 kHz tone modulation, and set the
output level to 20 dBµ.
Summary of Contents for VR-120D
Page 2: ...12 Alignment Note...
Page 5: ...Exploded View Miscellaneous Parts 4 Note...
Page 7: ...6 Circuit Description Note...
Page 13: ...13 Block Diagram...
Page 14: ...14 Block Diagram Note...
Page 15: ...15 CNTL AF Unit Circuit Diagram USA B1 B2 R113 0...
Page 16: ...16 CNTL AF Unit Note...
Page 22: ...22 CNTL AF Unit Note...
Page 23: ...23 RF Unit Circuit Diagram...
Page 24: ...24 RF Unit Note...
Page 33: ...33 RF Unit...