Tx Deviation; Digital Tx Deviation; Dcs Tx Deviation; Ctcss Tx Deviation - Yaesu FTM-400DR/DE Technical Supplement

TX Deviation

1. Inject a 1 kHz, 80 mV signal from the Audio
Generator.
2. Set the transceiver frequency to 440.050 MHz.
3. Press the [ F ( MW )] key, then press the [ Tx PWR ]
to select "LO".
4. Press the [ F ( MW )] key.
5. Press the [ P1 ] key of the Microphone to set the
alignment menu Item to "Adj 03 DEV".
6. Press the PTT switch to activate the transmitter,
adjust the DIAL knob (Band B) so that the Devi-
ation Meter reading is 4.5 kHz (±0.2 kHz) (USA
Version: 4.2 kHz (±0.2 kHz).
7. Set the transceiver frequency to 146.050 MHz.
8. Press the [ F ( MW )] key, then press the [ Tx PWR ]
to select "LO".
9. Press the PTT switch to activate the transmitter,
adjust the DIAL knob (Band B) so that the Devi-
ationMeter reading is 4.5 kHz (±0.2 kHz) (USA
Version: 4.2 kHz (±0.2 kHz).

Digital TX Deviation

1. Inject a 1 kHz, 80 mV signal from the Audio
Generator.
2. Set the transceiver frequency to 440.050 MHz.
3. Press the [ F ( MW )] key, then press the [ Tx PWR ]
to select "LO".
4. Press the [ F ( MW )] key.
5. Press the [ P1 ] key of the Microphone to set the
alignment menu Item to "Adj 04 MOD".
6. Press the [ P2 ] key of the Microphone to set the
alignment menu Item to "Adj 04 MIX".
7. Press the PTT switch to activate the transmitter,
adjust the DIAL knob (Band B) so that the Devi-
ation Meter reading is 4.5 kHz (±0.2 kHz).
8. Set the transceiver frequency to 146.050 MHz.
9. Press the [ F ( MW )] key, then press the [ Tx PWR ]
to select "LO".
10. Press the [ F ( MW )] key.
11. Press the PTT switch to activate the transmitter,
adjust the DIAL knob (Band B) so that the Devi-
ationMeter reading is 4.5 kHz (±0.2 kHz) (USA
Version: 4.2 kHz (±0.2 kHz).

DCS TX Deviation

1. Set the transceiver frequency to 440.050 MHz.
2. Press the [ F ( MW )] key, then press the [ Tx PWR ]
to select "LO".
3. Press the [ SQL ] to select "D-TRX".
4. Press the [ F ( MW )] key.
5. Press the [ P1 ] key of the Microphone to set the
alignment menu Item to "Adj 05 DCS".
6. Press the PTT switch to activate the transmitter,
adjust the DIAL knob (Band B) so that the Devi-
ation Meter reading is 0.60 kHz ~ 0.80 kHz.
7. Set the transceiver frequency to 146.050 MHz.
8. Press the [ F ( MW )] key, then press the [ Tx PWR ]
to select "LO".
9. Press the [ F ( MW )] key.
10. Press the PTT switch to activate the transmitter,
adjust the DIAL knob (Band B) so that the Devi-
ation Meter reading is 0.60 kHz ~ 0.80 kHz.

CTCSS TX Deviation

1. Set the transceiver frequency to 440.050 MHz.
2. Press the [ F ( MW )] key, then press the [ Tx PWR ]
to select "LO".
3. Press the [ SQL ] to select "T-TRX".
4. Press the [ F ( MW )] key.
5. Press the [ P1 ] key of the Microphone to set the
alignment menu Item to "Adj 06 CTC".
6. Press the PTT switch to activate the transmitter,
adjust the DIAL knob (Band B) so that the Devi-
ation Meter reading is 0.65 kHz ~ 0.75 kHz.
7. Set the transceiver frequency to 146.050 MHz.
8. Press the [ F ( MW )] key, then press the [ Tx PWR ]
to select "LO".
9. Press the [ F ( MW )] key.
10. Press the PTT switch to activate the transmitter,
adjust the DIAL knob (Band B) so that the Devi-
ation Meter reading is 0.65 kHz ~ 0.75 kHz.
ALIGNMENT-7
Alignment
FTM-400DR/DE Technical Supplement