Yaesu FT2DR, Technical Supplement

Page: 11 / 65

FT2DR/DE Technical Supplement
Alignment
ALIGNMENT-6
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 52.100
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 52.100
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 52.100
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).
A-Band 144 MHz Band Adjustment
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 operation is
ignored. In this case, rotate the
DIAL
knob to select an
Alignment Menu other than " PLL REF ".
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 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 "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).
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 -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).