5 - 1
SECTION 5 ADJUSTMENT PROCEDURES
5-1 PREPARATION
Almost adjustments must be adjusted on the adjustment mode. The shorten plug (see below) is required when entering the
adjustment mode.
‘‘
REQUIRED TEST EQUIPMENT
‘‘
ENTERING THE ADJUSTMENT MODE
q Connect the shorten plug to the [SP] jack.
w Push and hold [8 SET], [MR S.MW], [BAND] and [MAIN/SUB] keys, and then turn power ON.
NOTE: Entering adjustment mode, keep on entering adjustment mode until dis-connect the shorten plug and turn power OFF.
■ OPERATION ON THE ADJUSTMENT MODE
Change the adjustment channel or item [UP] : [MR S.MW] key
Change the adjustment channel or item [DOWN] : [SCOPE] key
Change the adjustment value : [R-DIAL]
While entering adjustment mode, some adjustments must push [• LOCK] or [8 SET] keys to write the adjustment value to the
CPU. Refer to following list in detail.
KEY
[• LOCK]
[8 SET]
OPERATION
Write the REFERENCE FREQUENCY ADJUSTMENT value.
Write the BFO ADJUSTMENT value.
Write the AFC ADJUSTMENT value.
Write the TRACKING ADJUSTMENT value.
Write the S-METER ADJUSTMENT value.
EQUIPMENT
DC power supply
Frequency counter
GRADE AND RANGE
Output voltage : 6.0 V DC
Current capacity : 1 A or more
Frequency range : 0.1–1000 MHz
Frequency accuracy : ±1 ppm or better
Sensitivity : 100 mV or better
EQUIPMENT
Digital multimeter
Standard signal
generator (SSG)
GRADE AND RANGE
Input impedance : 10 kΩ/V DC or better
Frequency range : 0.1–3000 MHz
Output level : 0.1 µV–32 mV
(–127 to –17 dBm)
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