Vertex Standard VXA-700 Service Manual page 15

Wide FM Squelch Threshold Adjustment
r 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.
r Set the transceiver to 98.000 MHz and turn the trans-
ceiver off.
r Press and hold in the PTT switch, MONITOR switch,
and key while turning the transceiver on to enter
the alignment mode.
r Rotate the DIAL selector knob to select "WFM TH SQ
xxx."
r Press the key momentarily (you will hear a long
beep), then press and hold in the
hear the short beep).
r Turn the transceiver off.
AM & Narrow FM Squelch Tight Adjustment
r Connect the Radio Tester to the antenna jack, and ad-
just its output level to +10 dBµ (with standard AM
modulation: 30 % AM modulation @ 1 kHz) at 128.000
MHz.
r Set the transceiver to 128.000 MHz and turn the trans-
ceiver off.
r Press and hold in the PTT switch, MONITOR switch,
and key while turning the transceiver on to enter
the alignment mode.
r Rotate the DIAL selector knob to select "AM/FM TI SQ
xxx."
r Press the key momentarily (you will hear a long
beep), then press and hold in the
hear a short beep).
r Turn the transceiver off.
Wide FM Squelch Tight Adjustment
r Connect the Radio Tester to the antenna jack, and ad-
just its output level to +25 dBµ (with standard Wide
FM modulation: ±22.5 kHz deviation @ 1 kHz) at 98.000
MHz.
r Set the transceiver to 98.000 MHz and turn the trans-
ceiver off.
r Press and hold in the PTT switch, MONITOR switch,
and key while turning the transceiver on to enter
the alignment mode.
r Rotate the DIAL selector knob to select "WFM TI SQ
xxx."
r Press the key momentarily (you will hear a long
beep), then press and hold in the
hear a short beep).
r Turn the transceiver off.
AM & Narrow FM S-meter (S-1) Adjustment
r 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.
r Set the transceiver to 128.000 MHz and turn the trans-
ceiver off.
r Press and hold in the PTT switch, MONITOR switch,
and
the alignment mode.
r Rotate the DIAL selector knob to select "AM/FM S1 LV
xxx."
r Press the
key (until you beep), then press and hold in the
hear a short beep).
r Turn the transceiver off.
Wide FM S-meter (S-1) Adjustment
r 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.
r Set the transceiver to 98.000 MHz and turn the trans-
ceiver off.
r Press and hold in the PTT switch, MONITOR switch,
and
the alignment mode.
r Rotate the DIAL selector knob to select "WFM S1 LV
xxx."
r Press the
key (you will beep), then press and hold in the
hear a short beep).
r Turn the transceiver off.
AM & Narrow FM S-meter (S-Full) Adjustment
r 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.
r Set the transceiver to 128.000 MHz and turn the trans-
ceiver off.
r Press and hold in the PTT switch, MONITOR switch,
and
the alignment mode.
r Rotate the DIAL selector knob to select "AM/FM SM
LV xxx."
r Press the
key (until you beep), then press and hold in the
hear a short beep).
r Turn the transceiver off.
Alignment
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
15