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FT1DR/DE Technical Supplement
Alignment
ALIGNMENT-5
Release the
PTT
switch, and then press the
[
V/M
]
button (the "
E
" icon will disappear on the
display).
DCS TX Deviation Adjustment (DCS 023)
Connect the test equipment as shown in Figure 1:
TX Alignment Setup.
Rotate the
DIAL
knob to select the Alignment
Menu "
DCS 023
".
Press the [
V/M
]
button (the "
E
" icon will appear
on the display).
Press the
PTT
switch to transmit without the
microphone input and rotate the DIAL knob
so that the Deviation Meter setting is 0.65 kHz
(±0.1 kHz).
Release the
PTT
switch, and then press the
[
V/M
]
button (the "
E
" icon will disappear on the
display).
A-Band 50 MHz Band Adjustment
Press the [
BAND
] key to select the 50 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 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 52.100
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 52.100
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).
Press the [
F
] key two times to read 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
".
Summary of Contents for FT1DR
Page 5: ...BLOCK DIAGRAM 1 FT1DR DE Technical Supplement Block Diagram...
Page 6: ...CONNECTION DIAGRAM 1 FT1DR DE Technical Supplement Connection Diagram...
Page 18: ...FT1DR DE Technical Supplement RF 1 RF Unit Circuit Diagram...
Page 38: ...FT1DR DE Technical Supplement CNTL 1 CNTL Unit Circuit Diagram...
Page 50: ...FT1DR DE Technical Supplement DSP 1 DSP Unit Lot 1 Circuit Diagram...
Page 51: ...FT1DR DE Technical Supplement DSP 2 DSP Unit Lot 1 Parts Layout Side A Side B A B 1 2...
Page 52: ...FT1DR DE Technical Supplement DSP 3 DSP Unit Lot 2 Circuit Diagram...
Page 53: ...FT1DR DE Technical Supplement DSP 4 DSP Unit Lot 2 Parts Layout Side A Side B A B 1 2...
Page 56: ...CONNECT 1 Circuit Diagram CONNECT Unit Lot 1 5 FT1DR DE Technical Supplement...
Page 57: ...CONNECT 2 Parts Layout Side A Side B CONNECT Unit Lot 1 5 FT1DR DE Technical Supplement...
Page 58: ...CONNECT 3 Circuit Diagram CONNECT Unit Lot 6 FT1DR DE Technical Supplement...