Yaesu FT-2DR Technical Supplement page 8

A-Band 430 MHz Band Adjustment
Receiver Sensitivity Adjustment (TUNE DEV)
 Connect the test equipment as shown in Figure 2:
RX Alignment Setup.
 Rotate the DIAL knob to select the Alignment
Menu "TUNE DEV".
 Set the RF Signal Generator output to 435.100
MHz, at a level of -10.0 dBμ, ±3.5 kHz deviation
with a 1 kHz audio tone.
 Press the [ V/M ] button (the "Data" will appear
on the display).
 Rotate the DIAL knob for maximum deflection
on the SINAD meter.
 Press the [ V/M ] button (the "Data" will disap-
pear on the display).
RF Signal
Generator
Figure 2: RX Alignment Setup
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 435.100
MHz, at a level of -12 dBμ, ±3.5 kHz deviation
with a 1 kHz audio tone.
 Press the [ V/M ] button (the "Data" will appear
on the display).
 Press the [ X ] key two times to store the Squelch
Threshold level
 Press the [ V/M ] button (the "Data" will disap-
pear on the display).
8-ohm
AF Load
SINAD
Meter
AF Generator
Regulated
9.4 VDC P.S.
ALIGNMENT-3
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".
 Set the RF Signal Generator output to 435.100
MHz, at a level of -4 dBμ, ±3.5 kHz deviation
with a 1 kHz audio tone.
 Press the [ V/M ] button (the "Data" will appear
on the display).
 Press the [ X ] key two times to store the Squelch
Tight level.
 Press the [ V/M ] button (the "Data" will disap-
pear on the display).
FM S-Meter S-1 Adjustment (S1 LEVEL)
 Connect the test equipment as shown in Figure 2:
RX Alignment Setup.
 Rotate the DIAL knob to select the Alignment
Menu "S1 LEVEL".
 Set the RF Signal Generator output to 435.100
MHz, at a level of -7 dBμ, ±3.5 kHz deviation
with a 1 kHz audio tone.
 Press the [ V/M ] button (the "Data" will appear
on the display).
 Press the [ X ] key two times to store the FM
S-Meter S-1 level.
 Press the [ V/M ] button (the "Data" will disap-
pear on the display).
FM S-Meter Full-Scale Adjustment (S9 LEVEL)
 Connect the test equipment as shown in Figure 2:
RX Alignment Setup.
 Rotate the DIAL knob to select the Alignment
Menu "S9 LEVEL".
 Set the RF Signal Generator output to 435.100
MHz, at a level of +20 dBμ, ±3.5 kHz deviation
with a 1 kHz audio tone.
 Press the [ V/M ] button (the "Data" will appear
on the display).
 Press the [ X ] key two times to store the FM
S-Meter Full Scale level.
 Press the [ V/M ] button (the "Data" will disap-
pear on the display).
FT2DR/DE Technical Supplement
Alignment