Panel Tuning Mode; Key Operation; 5 Reference Level Adjustments Frequency; 9 Reference Level Adjustments Frequency - Kenwood NX-720 Service Manual

Vhf digital transceiver
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NX-720(G)/720
• NXDN mode signaling
No.
RX
1
RAN1
2
None
3
RAN1
7
None
Tone Pattern (1031Hz)
9
(Simple BER Measurement)
RAN: Radio Access Number
PN9: Pseudo-Random Pattern (for production only)
No.9 Item: PC test mode only

Panel Tuning Mode

■ Transceiver tuning (To enter tuning mode)
To enter tuning mode, press the [ ] key while the trans-
ceiver is in test mode. Use the
through tuning modes, and the
quirements (1 to 4096 appears on the LCD).
Use the [
] key to select the adjustment item through
tuning modes. Use the [ ] key to adjust 5 reference level
adjustments, and use the
Narrow/Very narrow.
• LCD display in panel tuning mode
5 reference level
: Low
: Low'
S Q L
: Center
: High'
: High
36
ADJUSTMENT
TX
RAN1
PN9
Maximum Deviation Pattern
FSW+PN9 (PC test mode
only)
Tone Pattern (1031Hz)
[
]
key to write tuning data
to adjust tuning re-
[ ]/[ ]
key to switch between Wide/
[ ]
Adjustment item
Adjustment value
1
0
2 4
Narrow/Wide/Very narrow
Very narrow
Narrow
Wide 4k
Wide 5k

■ Key operation

Key
Push
[ ]/[ ]
Adjustment value up/down
20Hz/2kHz (During transmis-
[ ]
sion in balance adjustment)
[ ]
Wide/Narrow/Very narrow
[ ]
Shift to panel test mode
To enter 5 reference level
[ ]
adjustments
[
]
Writes the adjustment value
[
]
Go to next adjustment item
[ ]/[ ]
Volume level up/down
[PTT]
[0] to [9]
and
[#], [ ]

■ 5 reference level adjustments frequency

Tuning point
RX (MHz)
Low
136.05000
Low'
145.55000
Center
155.05000
High'
164.55000
High
173.95000

■ 9 reference level adjustments frequency

Tuning point
RX (MHz)
Low1
136.05000
Low2
140.80000
Low3
145.55000
Center1
150.30000
Center2
155.05000
Center3
159.80000
High1
164.55000
High2
169.30000
High3
173.95000
Function
Hold (1 second)
-
-
-
-
-
Back to last adjust-
ment item
Transmit
-
TX (MHz)
136.10000
145.60000
155.10000
164.60000
173.90000
TX (MHz)
136.10000
140.85000
145.60000
150.35000
155.10000
159.85000
164.60000
169.35000
173.90000

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