Yaesu FT1DR Technical Supplement page 9

A-Band 430 MHz Band Adjustment
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 435.100
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).
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 "E" icon will appear
on the display).
Press the [ F ] key two times to store 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".
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 "E" icon will appear
on the display).
Press the [ F ] key two times to store the Squelch
Tight level.
Press the [ V/M ] button (the "E" icon 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" with "NFM" icon.
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 "E" icon will appear
on the display).
Press the [ F ] key two times to store the FM
S-Meter S-1 level.
Press the [ V/M ] button (the "E" icon 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" with "NFM" icon.
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 "E" icon will appear
on the display).
Press the [ F ] key two times to store the FM
S-Meter Full Scale level.
Press the [ V/M ] button (the "E" icon will disap-
pear on the display).
TX Power (HI) Adjustment (HI POWER)
Connect the test equipment as shown in Figure 1:
TX Alignment Setup.
ALIGNMENT-3
Alignment
FT1DR/DE Technical Supplement