Yaesu VR-120D Technical Supplement - Alignment
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.