Kenwood NX-220 K Service Manual page 55

Vhf digital transceiver
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■ Frequency and Signaling
The transceiver has been adjusted for the frequencies
shown in the following table. When required, readjust them
following the adjustment procedure to obtain the frequen-
cies you want in actual operation.
• Test frequency
CH
RX (MHz)
1
155.05000
2
136.05000
3
173.95000
4
155.00000
5
155.20000
6
155.40000
7~16
-
• Analog mode signaling
No.
RX
1
None
2
None
LTR Data:
AREA=0, GOTO=12
3
HOME=12
ID=47, FREE=25
4
QT: 67.0Hz
5
QT: 151.4Hz
6
QT: 210.7Hz
7
QT: 254.1Hz
8
DQT: D023N
9
DQT: D754I
10
DTMF: 159D
11
None
2-tone:
12
A: 304.7Hz
B: 3106.0Hz
13
Single Tone: 979.9Hz
14
None
15
None
16
MSK
• NXDN mode signaling
No.
RX
1
RAN1
RAN1
2
None
PN9
3
RAN1
Maximum deviation pattern
7
None
FSW+PN9 (PC test mode only)
RAN: Radio Access Number
PN9: Pseudo-Random Pattern (for production only)
ADJUSTMENT (E TYPE)
TX (MHz)
155.10000
136.10000
173.90000
155.00000
155.20000
155.40000
-
TX
None
100Hz Square Wave
LTR Data:
AREA=0, GOTO=12
HOME=12
ID=47, FREE=25
QT: 67.0Hz
QT: 151.4Hz
QT: 210.7Hz
QT: 254.1Hz
DQT: D023N
DQT: D754I
DTMF: 159D
DTMF Code 9
2-tone:
A: 304.7Hz
B: 3106.0Hz
Single Tone: 979.9Hz
Single Tone: 1000Hz
MSK
MSK
TX
Panel Tuning Mode (E and E2 models only)
■ 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 [Selector] to adjust tuning
requirements (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 [Side2] key to switch between
Wide/Narrow/Very narrow.
• LCD display in panel tuning mode
Adjustment item
Adjustment value
B A L
1 2 9
5 reference level
: Low
: Low'
: Center
: High'
: High
■ Key operation
Key
Push
[Selector]
Adjustment value up/down
20Hz/2kHz (During transmis-
[Side1]
sion in balance adjustment)
Wide 5k/Wide 4k/
[Side2]
Narrow/Very narrow
[ ]
Shift to panel test mode
To enter 5 reference level
[ ]
adjustments
[
]
Writes the adjustment value
[
]
Go to next adjustment item
[AUX]
[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
NX-220
] key to write tuning data
Narrow/Wide 5k/
Wide 4k/Very narrow
Very narrow
Narrow
Wide 4k
Wide 5k
Function
Hold (1 second)
-
-
-
-
-
Back to last adjust-
ment item
-
Transmit
-
TX (MHz)
136.10000
145.60000
155.10000
164.60000
173.90000
55

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Nx-220Nx-220 e3Nx-220 k2Nx-220 e2Nx-220 k3Nx-220 e

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