Car Stereo System User Manual

Item
Condition
Measurement Adjustment
Specifications/
Remarks
Test-
equipment
Unit Terminal PartsUnit Method
PC test modePanel tuning mode
ADJUSTMENT
NX-800
53
2. Low Transmit
Power Limit
adjust
3. High Transmit
Power
adjust
4. Low Transmit
Power
adjust
5. Balance
adjust *2
1) Adj item:[LOLMT]
Adjust:[****]
2) Adj item:
[L LOLMT]→
[L’ LOLMT]→
[C LOLMT]→
[H’ LOLMT]→
[H LOLMT]
Adjust:[****]
PTT : ON
Press [ ] key to store
the adjustment value.
1) Adj item:[HIPWR]
Adjust:[****]
2) Adj item:[L HIPWR]→
[L’ HIPWR]→
[C HIPWR]→
[H’ HIPWR]→
[H HIPWR]
Adjust:[****]
PTT : ON
Press [ ] key to store
the adjustment value.
1) Adj item:[LOPWR]
Adjust:[****]
2) Adj item:[L LOPWR]→
[L’ LOPWR]→
[C LOPWR]→
[H’ LOPWR]→
[H LOPWR]
Adjust:[****]
PTT : ON
Press [ ] key to store
the adjustment value.
1) Adj item:[BAL]
Adjust:[***]
Deviation meter
LPF : 3kHz
HPF : OFF
2) Adj item:[L BAL]→
[L’ BAL]→[C BAL]→
[H’ BAL]→[H BAL]
Adjust:[***]
PTT : ON
Press [ ] key to store
the adjustment value.
Sub LCD: Tone frequency
[ ] key: Press while
transmitting to change
20Hz and 2kHz
1) Adj item:
[Low Transmit
Power Limit]
2) Adj item:[Low]
[Low’]
[Center]
[High’]
[High]
PTT : Press [Transmit]
button.
Press [Apply All] button to
store the adjustment value.
1) Adj item: [High
Transmit Power]
2) Adj item:[Low]
[Low’]
[Center]
[High’]
[High]
PTT : Press [Transmit]
button.
Press [Apply All] button to
store the adjustment value.
1) Adj item:
[Low Transmit Power]
2) Adj item:[Low]
[Low’]
[Center]
[High’]
[High]
PTT : Press [Transmit]
button.
Press [Apply All] button to
store the adjustment value.
1) Adj item:[Balance]
Deviation meter
LPF : 3kHz
HPF : OFF
2) Adj item:[Low]
[Low’]
[Center]
[High’]
[High]
PTT : Press [Transmit]
button.
Press [Apply All] button to
store the adjustment value.
[2kHz Sine Wave
Check box]: Check
while transmitting
change to 2kHz.
Power
meter
Ammeter
Deviation
meter
Oscilloscope
ANT 15.0W
[L HIPWR]: 30.0W
[L’ HIPWR]: 30.0W
[C HIPWR]: 30.0W
[H’ HIPWR]: 25.0W
[H HIPWR]: 25.0W
5.0W
The Deviation of
20Hz frequency is
fixed. Change the
2kHz adjustment
value to become
the same deviation
of 20Hz within the
specified range.
±1.0W
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all
adjustment point
was adjusted.
CAUTION!
Do not attempt to
adjust the transceiver’s
transmit output power
beyond its specifications.
If the transceiver is
adjusted beyond the
specifications, it may
cause deterioration of
the parts reliability and
the output power may
be lowered suddenly
and unstable.
The transceiver may be
also extremely hot.
±1.0W
9.0A or less
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all
adjustment point
was adjusted.
±0.5W
5.0A or less
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all
adjustment point
was adjusted.
2kHz Tone
deviation is within
±1.0% of 20Hz
tone deviation.
[PC test mode]
Press [Apply All]
button to store the
adjustment value
after all
adjustment point
was adjusted.
[Panel
tuning
mode]
[ ],[ ]
[PC test
mode]
[ ],[ ]
*2: Refer to the “Mode, Signaling, Necessary adjustment and order” table on page 57.
Balance adjustment is common with the adjustment of all signaling deviation.