Yaesu FT-7100M, Technical Supplement

Page: 14 / 68

14
Alignment
UHF Squelch Threshold Calibration
r
Connect the RF signal generator to the antenna
jack, and inject an RF signal from the signal gen-
erator at –13 dBµ on the "Memory Channel 4" fre-
quency with ±3.5 kHz deviation of a 1 kHz tone.
r Enter the Alignment mode, then press the LOW
and/or REV keys on the panel to select “
SQL S
.”
r
Press the BAND key to select “
U4 xxx
,” if neces-
sary (
xxx
= parameter).
r Press the TONE key.
r
Press the V/M key to save the new setting and
exit.
UHF Tight Squelch Calibration
r
Connect the RF signal generator to the antenna
jack, and inject an RF signal from the signal gen-
erator at 5 dBµ on the "Memory Channel 4" fre-
quency with ±3.5 kHz deviation of a 1 kHz tone.
r
Enter the Alignment mode, then press the LOW
and/or REV keys on the panel to select “
SQL T
.”
r
Press the BAND key to select “
U4 xxx
,” if neces-
sary (
xxx
= parameter).
r
Press the TONE key.
r Press the V/M key to save the new setting and
exit.
UHF S-Meter (S-1 Level) Calibration
r
Connect the RF signal generator to the antenna
jack, and inject an RF signal from the signal gen-
erator at –8 dBµ on "Memory Channel 4" fre-
quency with ±3.5 kHz deviation of a 1 kHz tone.
r
Enter the Alignment mode, then press the LOW
and/or REV keys on the panel to select “
SM T 1
.”
r
Press the BAND key to select “
U4 xxx
,” if neces-
sary (
xxx
= parameter).
r
Press the TONE key.
r Press the V/M key to save the new setting and
exit.
UHF S-Meter (Full Scale) Calibration
r Connect the RF signal generator to the antenna
jack, and inject an RF signal from the signal gen-
erator at 25 dBµ on "Memory Channel 4" fre-
quency with ±3.5 kHz deviation of a 1 kHz tone.
r Enter the Alignment mode, then press the LOW
and/or REV keys on the panel to select “
SM T F
.”
r Press the BAND key to select “
U4 xxx
,” if neces-
sary (
xxx
= parameter).
r Press the TONE key.
r
Press the V/M key to save the new setting and
exit.
VHF Transmitter Output
r
Connect the wattmeter and dummy load to the
antenna jack.
r Enter the Alignment mode, then press the LOW
and/or REV keys on the panel to select “
POM AX
.”
r Key the transmitter, and confirm that the output
power is more than 53 Watts.
r
Press the LOW and/or REV keys on the panel to
select “
PO HI
.” Press the BAND key to select “
V3
xxx
,” if necessary (
xxx
= parameter).
r Key the transmitter, and rotate the Dial knob so
as to achieve 50 watts (±0.5 W) on the wattmeter.
r
Press the BAND key to select “
V4 xxx
,” if neces-
sary (
xxx
= parameter).
r Key the transmitter, and rotate the Dial knob so
as to achieve 50 watts (±0.5 W) on the wattmeter.
r Press the BAND key to select “
V5 xxx
,” if neces-
sary (
xxx
= parameter).
r
Key the transmitter, and rotate the Dial knob so
as to achieve 50 watts (±0.5 W) on the wattmeter.
r
Press the LOW and/or REV keys on the panel to
select “
PO M 1
.” Press the BAND key to select “
V3
xxx
,” if necessary (
xxx
= parameter).
r
Key the transmitter, and rotate the Dial knob so
as to achieve 20 watts (±0.5 W) on the wattmeter.
r Press the BAND key to select “
V4 xxx
,” if neces-
sary (
xxx
= parameter).
r Key the transmitter, and rotate the Dial knob so
as to achieve 20 watts (±0.5 W) on the wattmeter.
r Press the BAND key to select “
V5 xxx
,” if neces-
sary (
xxx
= parameter).
r Key the transmitter, and rotate the Dial knob so
as to achieve 20 watts (±0.5 W) on the wattmeter.
r
Press the LOW and/or REV keys on the panel to
select “
PO M 2
.” Press the BAND key to select “
V3
xxx
,” if necessary (
xxx
= parameter).
r Key the transmitter, and rotate the Dial knob so
as to achieve 10 watts (±0.5 W) on the wattmeter.
r Press the BAND key to select “
V4 xxx
,” if neces-
sary (
xxx
= parameter).
r Key the transmitter, and rotate the Dial knob so
as to achieve 10 watts (±0.5 W) on the wattmeter.
r Press the BAND key to select “
V5 xxx
,” if neces-
sary (
xxx
= parameter).
r Key the transmitter, and rotate the Dial knob so
as to achieve 10 watts (±0.5 W) on the wattmeter.
r
Press the LOW and/or REV keys on the panel to
select “
PO LO
.” Press the BAND key to select “
V3
xxx
,” if necessary (
xxx
= parameter).