Yaesu FT1DR, Technical Supplement

Page: 16 / 62

FT1DR/DE Technical Supplement
Alignment
ALIGNMENT-10
Press the [
V/M
]
button (the "
E
" icon will disap-
pear on the display).
B-Band 144 MHz Band Adjustment
NOTICE: Do not touch the following Alignment
Menus in B-Band 144 MHz Band Adjustment:
"
PLL REF "
" HI POWER "
" L3 POWER "
" L2 POWER "
" L1 POWER "
" MAX DEV "
" 100.0Hz "
" DCS 023 "
Press the [
BAND
] key to select the 144 MHz Ama-
teur band.
Note: When the transceiver recalls Alignment
Menu "
PLL REF ", the [
A/B
] and [
BAND
] key oper-
ation 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 145.100
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 145.100
MHz, at a level of -11 dBμ (USA/EXP Versions)
or -10 dBμ (CE Version), ±3.5 kHz deviation
with a 1 kHz audio tone.