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