Icom IC-F2721 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
• Preset Dig Mode
DEVIATION
• Set a modulation analyzer as:
[MOD Dig C]
HPF
(IC-F2721D/
LPF
F2821D only)
De-emphasis
Detector
• Transmitting
2 • Operating CH.
[MOD Dig L]
• Transmitting
(IC-F2721D/
F2821D only)
3 • Operating CH.
[MOD Dig H]
• Transmitting
(IC-F2721D/
F2821D 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
/5TONE
• No audio applied to the [MIC] connector.
/DTMF
• Set a modulation analyzer as:
DEVIATION
HPF
[S.Tone]
LPF
De-emphasis
Detector
• Push [P3] while Transmitting
UNIT
: CH 7
Rear
: 7
panel
: OFF
: 20 kHz
: OFF
: (P–P)/2
: CH 3
: CH 14
: CH 4
Rear
panel
: OFF
: 20 kHz
: OFF
: (P–P)/2
: CH 2 [L]
Rear
CH 6 [H]
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
±2.75 kHz
±0.70 kHz
±1.50 kHz