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4-2 ADJUSTMENTS ON THE PLL UNIT (continued)
ADJUSTMENT ITEM
TRANSCEIVER'S
CONDITION
OPERATION
MEASURE
POINT
ADJUST
POINT
VALUE
1ST LO LEVEL
(UHF band)
1 • Frequency: 420.000 MHz
(430.000 MHz*)
• Mode: USB
• Receiving
• Connect an RF voltmeter to the
J1281.
J1281
(Verify)
–3.0 dBm
(±3 dB)
2 • Frequency: 440.000 MHz
(430.000 MHz*)
• Mode: USB
• Receiving
–4.0 dBm
(±3 dB)
3** • Frequency: 480.000 MHz
• Mode: USB
• Receiving
–3.0 dBm
(±3 dB)
2ND RX LO LEVEL
(UHF band)
• Frequency: 435.000 MHz
(432.000 MHz*)
• Mode: USB
• Receiving
• Connect an RF voltmeter to the
J1801.
J1801
(Verify)
–12.0 dBm
(±3 dB)
REFERENCE LEVEL
†
(1.2 GHz band)
• Frequency: 1200.000 MHz
• Mode: USB
• Receiving
• Connect an RF voltmeter to the
J1301.
J1301
R1305
–10.0 dBm
(±0.5 dB)
3RD RX LO LEVEL
†
(1.2 GHz band)
• Frequency: 1200.000 MHz
• Mode: USB
• Receiving
• Connect an RF voltmeter to the
J1901.
J1901
(Verify)
–8.0 dBm
(±3 dB)
2ND TX LO LEVEL
1 • Frequency: 145.000 MHz
• Mode: USB
• Transmitting
• Connect a dummy load to [144MHz
ANT].
• Connect an RF voltmeter to the J571.
J571
(Verify)
–12.0 dBm
(±3 dB)
2 • Frequency: 435.000 MHz
(432.000 MHz*)
• Mode: USB
• Transmitting
• Connect a dummy load to [430MHz
ANT].
• Connect an RF voltmeter to the J571.
3
†
• Frequency: 1200.000 MHz
• Mode: USB
• Transmitting
• Connect a dummy load to [1200MHz
ANT].
• Connect an RF voltmeter to the J571.
3RD TX LO LEVEL
1 • Frequency: 145.000 MHz
• Mode: USB
• Transmitting
• Connect a dummy load to [144MHz
ANT].
• Connect an RF voltmeter to the J571.
J851
(Verify)
–8.0 dBm
(±3 dB)
2 • Frequency: 435.000 MHz
(432.000 MHz*)
• Mode: USB
• Transmitting
• Connect a dummy load to [430MHz
ANT].
• Connect an RF voltmeter to the J571.
3
†
• Frequency: 1200.000 MHz
• Mode: USB
• Transmitting
• Connect a dummy load to [1200MHz
ANT].
• Connect an RF voltmeter to the J571.
CODEC CLOCK LEVEL
• Receiving
• Connect an RF voltmeter to the J601.
J601
(Verify)
–12 dBm
(±3 dB)
4 - 3
*: For [TPE] and [KOR]. **; For only [USA], [CHN] and [EXP]
†
: Appears only when the optional UX-9100 is installed.