4 - 3
ADJUSTMENT ITEM
ADJUSTMENT CONDITION
OPERATION
VALUE
EXTERNAL S-METER
[EXT Meter]
1) Push [F-1•PRESET] key to select EXTERNAL S-METER ADJUSTMENT.
2) Rotate the [MAIN DIAL] to set the ADJ value.
Push [F-7] key, to return to the main adjustment menu.
“0000“
REFERENCE FREQUENCY
[REF]
NOTE:
Wait 5 minutes or more
after the power is turned ON to perform the adjustment
properly.
1) Push [F-2•REF] key to select REFERENCE FREQUENCY ADJUSTMENT.
2) Connect a Frequency Counter
to
[REF I/O]
.
Rotate the [MAIN DIAL] to adjust the
reference frequency.
Push [F-7] key, to return to the main
adjustment menu.
10.000,000 MHz
ADJUSTMENT ITEM
OPERATION
VALUE
LOCK VOLATGE
[1ST DDS LOCK]
Push [F-7] key.
(Automatic
adjustment)
[2LO VCO1- LOCK]
Push [F-7] key.
[2LO VCO2 LOCK]
Push [F-7] key.
[2LO VCO3 LOCK]
Push [F-7] key.
[3LO VCO LOCK]
Push [F-7] key.
[4LO VCO LOCK]
Push [F-7] key.
ADJUSTMENT ITEM
ADJUSTMENT CONDITION
OPERATION
VALUE
VCO OUTPUT LEVEL
[1LO VCO1 LEVEL]
• Connect an RF Power Meter to
J1301 on PLL UNIT.
Rotate
[MAIN DIAL]
to adjust the VCO
output level.
Push [F-7] key.
+1.5 dBm
[1LO VCO2 LEVEL]
(same as above)
Rotate
[MAIN DIAL]
to adjust the VCO
output level.
Push [F-7] key.
[1LO VCO3 LEVEL]
(same as above)
Rotate
[MAIN DIAL]
to adjust the VCO
output level.
Push [F-7] key, to return to the main
adjustment menu.
+2.0 dBm
4-2 EXT. S-METER AND REFERENCE FREQUENCY ADJUSTMENTS [EXT Meter], [REF]
NOTE:
HOLD
the adjustment condition (SG level and frequency etc.) until next ADJ item is displayed.
NOTE:
HOLD
the adjustment condition (SG level and frequency etc.) until next ADJ item is displayed.
4-3 VCO ADJUSTMENTS [VCO]
PLL UNIT
J1301
• Push [F-3•VCO] key to select VCO ADJUSTMENT.