Vertex Standard VXA-200 Service Manual page 11

Receiver Section
AM Squelch Hysteresis Adjustment
Press and hold in the PTT switch, MONITOR switch,
and [ ENT (
)] key while turning the transceiver on
to enter the alignment mode.
Rotate the DIALselector knob to select "AMHS xxx
Press the [ ENT (
)] key momentarily, then adjust the
hysteresis level using the DIAL selector knob ( Default
Setting : 01 ).
Press the [ ENT (
)] key.
Turn the transceiver off.
FM Squelch Hysteresis Adjustment
Press and hold in the PTT switch, MONITOR switch,
and [ ENT (
)] key while turning the transceiver on
to enter the alignment mode.
Rotate the DIAL selector knob to select "FMHS xx
Press the [ ENT (
)] key momentarily, then adjust the
hysteresis level using the DIAL selector knob ( Default
Setting : 01 ).
Press the [ ENT (
)] key.
Turn the transceiver off.
AM Squelch Threshold Adjustment
Connect the Radio Tester to the antenna jack, then
adjust the output level to –9 dBμ (with a standard AM
modulation: 30 % AM modulation @ 1 kHz) at 128.000
MHz.
Set the transceiver to 128.000 MHz and turn the trans-
ceiver off.
Press and hold in the PTT switch, MONITOR switch,
and [ ENT (
)] key while turning the transceiver on
to enter the alignment mode.
Rotate the DIAL selector knob to select "AMTH xx
Press the [ ENT (
)] key twice.
Turn the transceiver off.
FM Squelch Threshold Adjustment
Connect the Radio Tester to the antenna jack, then
adjust the output level to –11 dBμ (with a standard
FM modulation: ±3kHz deviation @ 1 kHz) at 163.275
MHz.
Set the transceiver to 163.275 MHz and turn the trans-
ceiver off.
Press and hold in the PTT switch, MONITOR switch,
and [ ENT (
)] key while turning the transceiver on
to enter the alignment mode.
Rotate the DIAL selector knob to select "FMTH xx
Press the [ ENT (
)] key twice.
Turn the transceiver off.
AM Squelch Tight Adjustment
Connect the Radio Tester to the antenna jack, then
adjust the output level to +10 dBμ (with a standard
AM modulation: 30 % AM modulation @ 1 kHz) at
AMHS xxx AMHS xxx." AMHS xxx AMHS xxx
128.000 MHz.
Set the transceiver to 128.000 MHz and turn the trans-
ceiver off.
Press and hold in the PTT switch, MONITOR switch,
and [ ENT (
to enter the alignment mode.
Rotate the DIAL selector knob to select "AMTI xxx
Press the [ ENT (
Turn the transceiver off.
FM Squelch Tight Adjustment
FMHS xx FMHS xx." FMHS xx FMHS xx
Connect the Radio Tester to the antenna jack, then
adjust the output level to +10 dBμ (with a standard
FM modulation: ±3kHz deviation @ 1 kHz) at 163.275
MHz.
Store Weather Channel "WX-010" into a "regular"
memory channel, per the instructions in the box to
the bottom.
Recall the memory channel into which you just stored
Weather Channel "WX-010" in the previous step, then
turn the radio off.
Press and hold in the PTT switch, MONITOR switch,
and [ ENT (
to enter the alignment mode.
Rotate the DIAL selector knob to select "FMTI xxx
Press the [ ENT (
Turn the transceiver off.
AMTH xx." AMTH xx AMTH xx AMTH xx
FMTH xx FMTH xx FMTH xx." FMTH xx
)] key while turning the transceiver on
)] key twice.
)] key while turning the transceiver on
)] key twice.
How to Store Weather Channel "WX-010"
into a Regular Memory Channel
Press the [ ENT (
)] key (repeatedly, if nec-
essary) to select the Weather channel mode.
The VXA-220 will scan quickly through the
Weather channels.
Press the MONITOR switch momentarily to
stop the scanning, then rotate the DIAL knob
to select the channel "WX-010."
Press and hold in the [ MW ( SPL-W )] key for 2
second, then rotate the DIAL knob to select the
memory channel number for storage.
Now, press and hold in the [ MW ( SPL-W )] key
for 2 second to save the entry and exit.
Alignment
AMTI xxx." AMTI xxx AMTI xxx AMTI xxx
FMTI xxx." FMTI xxx FMTI xxx
FMTI xxx
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