Icom IC-F1721/D Service Manual page 21

SOFTWARE ADJUSTMENT (Continued)
Select an operation using [↑] / [↓] keys, then set specifi ed value using [←] / [→] keys on the connected computer keyboard
ADJUSTMENT ADJUSTMENT CONDITION
1 • Operating CH.
DIGITAL
DEVIATION • Set a modulation analyzer as:
HPF
(Digital)
[MOD Dig C] LPF
(IC-F1721D/ De- emphasis
Detector
F1821D only)
• Transmitting
2 Operating CH.
(Digital)
Transmitting
[MOD Dig L]
(IC-F1721D/
F1821D only)
3 Operating CH.
(Digital)
Transmitting
[MOD Dig H]
(IC-F1721D/
F1821D only)
1 • Operating CH.
CTCSS/DTCS
• No audio applied to the [MIC] connector.
DEVIATION
• Set a modulation analyzer as:
[CTCSS/DTCS]
HPF
LPF
De- emphasis
Detector
• Transmitting
1 • Operating CH.
2TONE
• No audio applied to the [MIC] connector.
/5TONE
• Set a modulation analyzer as:
/DTMF
HPF
DEVIATION
[S.T one] LPF
De- emphasis
Detector
• Push [P3] while transmitting.
UNIT
: CH 6
Rear
panel
: OFF
: 20 kHz
: OFF
: (P–P)/2
: CH 12
: CH 9
: CH 5
Rear
panel
: OFF
: 20 kHz
: OFF
: (P–P)/2
: CH 4
Rear
panel
: OFF
: 20 kHz
: OFF
: (P–P)/2
5 - 7
MEASUREMENT
LOCATION
Connect a modulation ana-
lyzer to the antenna connector
through an attenuator.
Connect a modulation ana-
lyzer to the antenna connector
through an attenuator.
Connect a modulation ana-
lyzer to the antenna connector
through an attenuator.
VALUE
±2.85 kHz
±2.85 kHz
±2.85 kHz
±0.70 kHz
±1.50 kHz