Vertex Standard VXA-710 Service Manual page 14

Alignment
Wide FM Squelch Hysteresis Adjustment
Press and hold in the PTT switch, MONITOR switch,
and key while turning the transceiver on to enter
the alignment mode.
Rotate the DIAL selector knob to select the "WFM HITS
xxx."
Press the key momentarily, then adjust the hys-
teresis level using the DIAL selector knob (default:
000).
Turn the transceiver off.
Wide FM Squelch Threshold Adjustment
Connect the Radio Tester to the antenna jack, and ad-
just its output level to +15 dBµ (with standard Wide
FM modulation: ±22.5 kHz deviation @ 1 kHz) at
98.000 MHz.
Set the transceiver to 98.000 MHz and turn the trans-
ceiver off.
Press and hold in the PTT switch, MONITOR switch,
and key while turning the transceiver on to enter
the alignment mode.
Rotate the DIAL selector knob to select "WFM TH SQ
xxx."
Press the key momentarily (you will hear a long
beep), then press and hold in the
hear the short beep).
Turn the transceiver off.
Wide FM Squelch Tight Adjustment
Connect the Radio Tester to the antenna jack, and ad-
just its output level to +14 dBµ (with standard Wide
FM modulation: ±22.5 kHz deviation @ 1 kHz) at
98.000 MHz.
Set the transceiver to 98.000 MHz and turn the trans-
ceiver off.
Press and hold in the PTT switch, MONITOR switch,
and key while turning the transceiver on to enter
the alignment mode.
Rotate the DIAL selector knob to select "WFM TI SQ
xxx."
Press the key momentarily (you will hear a long
beep), then press and hold in the
hear a short beep).
Turn the transceiver off.
14
AM & FM S-meter (S-1) Adjustment
Connect the Radio Tester to the antenna jack, and ad-
just its output level to –3 dBµ (with 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
the alignment mode.
Rotate the DIAL selector knob to select "AM/FM S1 LV
xxx."
Press the
beep), then press and hold in the
hear a short beep).
Turn the transceiver off.
AM & FM S-meter (S-Full) Adjustment
Connect the Radio Tester to the antenna jack, and ad-
just its output level to +15 dBµ (with 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.
key (until you Press and hold in the PTT switch, MONITOR switch,
and
the alignment mode.
Rotate the DIAL selector knob to select "AM/FM SM
LV xxx."
Press the
beep), then press and hold in the
hear a short beep).
Turn the transceiver off.
Wide FM S-meter (S-1) Adjustment
Connect the Radio Tester to the antenna jack, and ad-
just its output level to +8 dBµ (with standard Wide
FM modulation: ±22.5 kHz deviation @ 1 kHz) at
98.000 MHz.
Set the transceiver to 98.000 MHz and turn the trans-
ceiver off.
key (until you Press and hold in the PTT switch, MONITOR switch,
and
the alignment mode.
Rotate the DIAL selector knob to select "WFM S1 LV
xxx."
Press the
beep), then press and hold in the
hear a short beep).
Turn the transceiver off.
key while turning the transceiver on to enter
key momentarily (you will hear a long
key while turning the transceiver on to enter
key momentarily (you will hear a long
key while turning the transceiver on to enter
key momentarily (you will hear a long
key (until you
key (until you
key (until you