NX-720H(G)/720H
35
ADJUSTMENT
■
Preparations for checking/tuning the transceiver
Before attempting to check/tune the transceiver, connect
the unit to a suitable power supply.
Whenever the transmitter is turned on, the unit must be
connected to a suitable dummy load (i.e. power meter).
The speaker output connector must be terminated with a
4
dummy load and connected to an AC voltmeter and an
audio distortion meter or a SINAD measurement meter at all
times during checking/tuning.
Panel Test Mode
■
Test mode operation features
This transceiver has a test mode. To enter test mode,
press and hold the [ ] key while turning the transceiver
power ON. Before the transceiver enters test mode, the
frequency version information appears on the LCD momen-
tarily. Test mode can be inhibited by programming. To exit
test mode, turn the transceiver power OFF. The following
functions are available in test mode.
Controls
Power
switch
Modular
MIC jack
Programmable
function keys
Volume
Up/Down key
Channel
Up/Down key
LCD
KMC-36 (OPTION)
Keypad
[PTT]
■
Key operation
Key
“
” not appears on the LCD display
Function
Display
[ ]/[ ]
Test channel up/down
Channel No.
[ ]
Push: Squelch level up
Hold: Squelch off
Squelch level
Squelch off: icon appears
[ ]
Wide/Narrow/Very narrow
Wide: “W”
Narrow: “N”
Very narrow: “V”
[ ]
Shift to panel tuning mode
-
[ ]
Function on
“
” appears on the LCD
display
[
]
MSK 1200bps and 2400bps 2400bps:
icon appears
[
]
Push: Test signaling up
Hold: Test signaling up
continuously
Signaling No.
[ ]/[ ]
Volume level up/down
[PTT]
(MIC)
Transmit
-
[0] to [9]
and
[#], [ ]
(MIC)
Use as the DTMF keypad.
If a key is pressed during
transmission, the DTMF
corresponding to the key
that was presses is sent.
-
Key
“
” appears on the LCD display
Function
Display
[ ]
Function off
-
[ ]
Analog /NXDN
Analog: "A", NXDN: "N"
[ ]
Function off
-
[ ]
LCD all lights
LCD all point appears
[ ]
High /Mid /Low power
High: icon not appears
Mid: “
” icon appears
Low : “
”
icon appears
[ ]
Function off
-
[
]
Compander on/off
On:
icon appears
[
]
Beat shift on/off
On: icon appears
[ ]/[ ]
Volume level up/down
[PTT]
(MIC)
Transmit
-
[0] to [9]
and
[#], [ ]
(MIC)
Function off
-
Summary of Contents for Nexedge NX-720H
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