Yaesu FT1DR, Техническое дополнение

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FT1DR/DE Technical Supplement
Alignment
ALIGNMENT-5
Release the
PTT
switch, and then press the
[
V/M
]
button (the "
E
" icon will disappear on the
display).
DCS TX Deviation Adjustment (DCS 023)
Connect the test equipment as shown in Figure 1:
TX Alignment Setup.
Rotate the
DIAL
knob to select the Alignment
Menu " DCS 023 ".
Press the [
V/M
]
button (the "
E
" icon will appear
on the display).
Press the
PTT
switch to transmit without the
microphone input and rotate the DIAL knob
so that the Deviation Meter setting is 0.65 kHz
(±0.1 kHz).
Release the
PTT
switch, and then press the
[
V/M
]
button (the "
E
" icon will disappear on the
display).
A-Band 50 MHz Band Adjustment
Press the [
BAND
] key to select the 50 MHz Ama-
teur band.
Note: When the transceiver recalls Alignment Menu
" PLL REF ", the [
A/B
] and [
BAND
]
key operation is
ignored. In this case, rotate the
DIAL
knob to select an
Alignment Menu other than " PLL REF ".
Receiver Sensitivity Adjustment (TUNE DC)
Connect the test equipment as shown in Figure 2:
RX Alignment Setup.
Rotate the
DIAL
knob to select the Alignment
Menu " TUNE DC ".
Set the RF Signal Generator output to 52.100
MHz, at a level of -10 dBμ, ±3.5 kHz deviation
with a 1 kHz audio tone.
Press the [
V/M
]
button (the "
E
" icon will appear
on the display).
Rotate the
DIAL
knob for maximum deflection
on the SINAD meter.
Press the [
V/M
]
button (the "
E
" icon will disap-
pear on the display).
Squelch Hysteresis Confirmation (HIS SQL)
Rotate the
DIAL
knob to select the Alignment
Menu " HIS SQL ".
Confirm that the alignment value is "0".
Squelch Threshold Adjustment (THLD SQL)
Connect the test equipment as shown in Figure 2:
RX Alignment Setup.
Rotate the
DIAL
knob to select the Alignment
Menu " THLD SQL ".
Set the RF Signal Generator output to 52.100
MHz, at a level of -10 dBμ, ±3.5 kHz deviation
with a 1 kHz audio tone.
Press the [
V/M
]
button (the "
E
" icon will appear
on the display).
Press the [
F
] key two times to read the Squelch
Threshold level.
Press the [
V/M
]
button (the "
E
" icon will disap-
pear on the display).
Tight Squelch Adjustment (TIGH SQL)
Connect the test equipment as shown in Figure 2:
RX Alignment Setup.
Rotate the
DIAL
knob to select the Alignment
Menu " TIGH SQL ".