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1-54 (No.RA032<Rev.001>)
11.
Low
Trans-
mit
Power
1) Adj item:
[An L_PWR]
Adjust:[****]
2) Adj item:
[700M RX/TA
Low]
→
[700M RX/TA
High]
→
[700M TX Low]
→
[700M TX
High]
→
[800M TX Low]
→
[800M TX
High]
→
[800M RX/TA
Low]
→
[800M RX/TA
High]
PTT : ON
Press [ ] key to
store the adjust-
ment value.
1) Adj item:
[Low Transmit
Power]
2) Adj item:
[Frequency:
700MHz Band]
[RX/TA Low]
→
[RX/TA High]
→
[TX Low]
→
[TX High]
[Frequency:
800MHz Band]
[TX Low]
→
[TX High]
→
[RX/TA Low]
→
[RX/TA High]
Press [Transmit]
button.
Press [Apply All]
button to store the
adjustment value.
Power
meter
Ammeter
Panel ANT
Panel [Panel
tuning
mode]
[
],
[
]
[PC
test
mode]
[
←
],
[
→
]
1.75W
±0.2W
5.0A or less
[PC test
mode]
Press [Apply
All] button to
store the
adjustment
value after all
adjustment
point was
adjusted.
12.
Balance
*1
1) Adj item:
[An BAL]
Adjust:[****]
Deviation meter
LPF: 3kHz
HPF: OFF
2) Adj item:
[700M RX/TA
Low]
→
[700M RX/TA
High]
→
[700M TX Low]
→
[700M TX
High]
→
[800M TX Low]
→
[800M TX
High]
→
[800M RX/TA
Low]
→
[800M RX/TA
High]
Adjust:[****]
PTT : ON
Press [ ] key to
store the adjust-
ment value.
1) Adj item:
[Balance]
Deviation meter
LPF: 3kHz
HPF: OFF
2) Adj item:
[Frequency:
700MHz Band]
[RX/TA Low]
→
[RX/TA High]
→
[TX Low]
→
[TX High]
[Frequency:
800MHz Band]
[TX Low]
→
[TX High]
→
[RX/TA Low]
→
[RX/TA High]
Press [Transmit]
button.
Press [Apply All]
button to store the
adjustment value.
Devia-
tion
meter
Oscillo-
scope
Panel ANT
Panel [Panel
tuning
mode]
[
],
[
]
[PC
test
mode]
[
←
],
[
→
]
The Deviation of 20Hz
frequency is fixed.
Change the 2kHz ad-
justment value to be-
come the same
deviation of 20Hz within
the specified range.
(a supplementary
explanation:
Another way to adjust is
ready.
(Same as TK-5910, the
old model of NX-5900).
Press [AUX(Orange)]
key to switch the tone to
100Hz square wave.
Then, make the demod-
ulation waveform shown
on oscilloscope into
square shape.)
2kHz Tone de-
viation is with-
in ± 1.0% of
20Hz tone de-
viation.
[PC test
mode]
Press [Apply
All] button to
store the
adjustment
value after all
adjustment
point was
adjusted.
*1 : Refer to the “4.9.1 Necessary Deviation adjustment item for each signaling and mode” table.
Balance adjustment is common with the adjustment of all signaling deviations.
Item
Condition
Measurement
Adjustment
Specifica-
tions
/Remarks
Panel tuning
mode
PC test mode
Test-
equip-
ment
Unit
Ter-
minal
Unit
Parts
Method
Summary of Contents for NX-5900
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Page 119: ...MEMO ...