NX-220
50
■
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)
TX (MHz)
1
155.05000
155.10000
2
136.05000
136.10000
3
173.95000
173.90000
4
155.00000
155.00000
5
155.20000
155.20000
6
155.40000
155.40000
7~16
-
-
• Analog mode signaling
No.
RX
TX
1
None
None
2
None
100Hz Square Wave
3
LTR Data:
AREA=0, GOTO=12
HOME=12
ID=47, FREE=25
LTR Data:
AREA=0, GOTO=12
HOME=12
ID=47, FREE=25
4
QT: 67.0Hz
QT: 67.0Hz
5
QT: 151.4Hz
QT: 151.4Hz
6
QT: 210.7Hz
QT: 210.7Hz
7
QT: 254.1Hz
QT: 254.1Hz
8
DQT: D023N
DQT: D023N
9
DQT: D754I
DQT: D754I
10
DTMF: 159D
DTMF: 159D
11
None
DTMF Code 9
12
2-tone:
A: 304.7Hz
B: 3106.0Hz
2-tone:
A: 304.7Hz
B: 3106.0Hz
13
Single Tone: 979.9Hz
Single Tone: 979.9Hz
14
None
Single Tone: 1000Hz
15
None
MSK
16
MSK
MSK
• NXDN mode signaling
No.
RX
TX
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)
Panel Tuning Mode (C model only)
■
Transceiver tuning (To enter tuning mode)
To enter tuning mode, press the [ ] key while the trans-
ceiver is in test mode. Use the [
] key to write tuning data
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
B A L
1 2 9
Adjustment item
Adjustment value
Narrow/Wide/Very narrow
Narrow
5 reference level
: Low
: Low’
: Center
: High’
: High
Very narrow
Wide
■
Key operation
Key
Function
Push
Hold (1 second)
[Selector]
Adjustment value up/down
[Side1]
20Hz/2kHz (During transmis-
sion in balance adjustment)
-
[Side2]
Wide/Narrow/Very narrow
-
[ ]
Shift to panel test mode
-
[ ]
To enter 5 reference level
adjustments
-
[
]
Writes the adjustment value
-
[
]
Go to next adjustment item
Back to last adjust-
ment item
[AUX]
-
[PTT]
Transmit
[0] to [9]
and
[#], [ ]
-
■
5 reference level adjustments frequency
Tuning point
RX (MHz)
TX (MHz)
Low
136.05000
136.10000
Low’
145.55000
145.60000
Center
155.05000
155.10000
High’
164.55000
164.60000
High
173.95000
173.90000
ADJUSTMENT