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Changing the TX Deviation Level
In many areas of the world, channel congestion has required that operating channels be
closely spaced. In such operating environments, it often is required that operators use
reduced deviation levels, so as to reduce the potential for interference to users on adjacent
channels. The VX-120/170 includes a simple method of accomplishing this:
1.
Press the [F/W] key, then press the [0(SET)] key to enter the Set mode.
2.
Rotate the DIAL knob to select Set Mode Item 51: WID.NAR.
3.
Press the [F/W] key momentarily to enable adjustment of this Set Mode Item.
4.
Rotate the DIAL knob to set this Set Mode Item to "NARROW." In this configuration
(HALF DEVIATION active), the transmitter's deviation will be approximately ±2.5 kHz,
and the received audio output level will be increased, for easier listening on the narrow
signal.
5.
When you have made your selection, press the PTT switch to save the new setting and
exit to normal operation.
R.F. Says: The "normal" setting for the deviation (when this Menu Item is set to WIDE) is ±5
kHz.
In the event of erratic operation of the transceiver, it is possible that data on the
microprocessor may have become corrupted. While this is a highly unusual situation, the only
path to recovery may involve resetting of the microprocessor. Here's how to do this:
1.
Turn the radio off.
2.
Press and hold in the MONI switch (just below the PTT switch) while turning the radio on.
3.
Rotate the DIAL knob to select one choice from the reset menu:
F1 SETRST: Resets the Set (Menu) mode settings to their factory defaults.
F2 MEMRST: Clears the Memory settings to factory defaults.
F3 MB RST: Clears the Memory Bank Assignments.
F4 ALLRST: Clears all memories and other settings to factory defaults.
4.
Press the [F/W] key momentarily to complete the reset procedure.
The VX-120/170 includes a convenient "Clone" feature, which allows the memory and
configuration data from one transceiver to be transferred to another VX-120/170. This can be
particularly useful when configuring a number of transceivers for a public service operation.
Reset Procedures
Cloning
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FCC ID: K6620223X20
IC ID: 511B-20223X20
VX-120/170 O
PERATING
Vertex Standard Co., Ltd.
M
ANUAL
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