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SECTION 5
5-1 PREPARATION
Some adjustments must be adjusted on the adjustment mode. When entering the adjustment mode, the 68 kΩ terminator (as
shown at page 5-2) is required.
' ' REQUIRED TEST EQUIPMENT
EQUIPMENT
Output voltage
DC power supply
Current capacity
Measuring range
RF power meter
Frequency range
(terminated type)
Impedance
SWR
Frequency range
Frequency counter
Frequency accuracy : ±1 ppm or better
Sensitivity
Frequency range
FM deviation meter
Measuring range
' ' ENTERING THE ADJUSTMENT MODE
q Connect a 68 kΩ terminator to the [SP] jack.
w Push and hold the [SQL] and [8] keys, and then turn power ON.
OPERATION ON THE ADJUSTMENT MODE
Change the adjustment value
Change the adjustment channel or item [UP]
Change the adjustment channel or item [DOWN]
Verify the setting condition
OPERATION ON THE "OUTPUT POWER" ADJUSTMENT
When adjusting the "OUTPUT POWER" adjustment, need to change the adjustment channel indicator manually.
When displayed channel indicator "DH" on the LCD at first, push the "0" or "." keys to change the channel indicator as follow.
ADJUSTMENT PROCEDURES
GRADE AND RANGE
: 11 V DC
: 3 A or more
: 1–10 W
: 28–600 MHz
: 50 Ω
: Less than 1.2 : 1
: 0.1–600 MHz
: 100 mV or better
: 30–600 MHz
: 0 to ±10 kHz
: [DIAL]
: [VFO] key
: [MR] key
: [8] key
Pushing key
LCD (Before)
"0" key
"0" key
Pushing key
LCD (Before)
"." key
"." key
"." key
EQUIPMENT
Ammeter
DC voltmeter
Audio generator
Standard signal
generator (SSG)
Oscilloscope
Attenuator
LCD (After)
DH
PH
PH
DH
LCD (After)
DH
DL
DL
DE
DE
DH
5 - 1
GRADE AND RANGE
Measuring capacity : 10 A and 30 A
Input impedance
: 50 kΩ/V DC or better
Frequency range
: 300–3000 Hz
Measuring range
: 1–500 mV
Frequency range
: 1–1300 MHz
Output level
: 0.1 µV–32 mV
(–127 to –17 dBm)
Frequency range
: DC–20 MHz
Measuring range
: 0.01–20 V
Power attenuation
: 40 or 50 dB
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