![background image](http://html1.mh-extra.com/html/icom/ic-f2721/ic-f2721_service-manual_4223366020.webp)
5 - 6
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
OUTPUT
POWER
[Power (Hi)]
1 • Operating CH.
: CH 10
• Transmitting
Rear
panel
Connect an RF power meter to
the antenna connector.
25.0 W [25W]
45.0 W [45W]
[Power (L2)]
2 • Operating CH.
: CH 9
• Transmitting
10.0 W [25W]
25.0 W [45W]
[Power (L1)]
3 • Operating CH.
: CH 8
• Transmitting
2.5 W [25W]
4.5 W [45W]
MODULATION
BALANCE
[BAL]
1 • Operating CH.
: CH 11
• Preset [MOD N]
: 100
• No audio applied to the [MIC] connector.
• Set a modulation analyzer as:
HPF :
OFF
LPF
: 20 kHz
De-emphasis :
OFF
Detector :
(P–P)/2
• Push [P0] while transmitting.
Rear
panel
Connect a modulation analyzer
with an oscilloscope to the
antenna connector through an
attenuator.
Set to square wave
form
FM
DEVIATION
(NARROW)
[MOD N C]
1 • Operating CH.
: CH 6
• Connect an audio generator to the [MIC]
connector and set as
: 1.0 kHz/40 mVrms
• Set a Modulation analyzer as:
HPF
: OFF
LPF
: 20 kHz
De-emphasis :
OFF
Detector :
(P–P)/2
• Transmitting
Rear
panel
Connect a modulation ana-
lyzer to the antenna connector
through an attenuator.
±
2.10 kHz
(NARROW)
[MOD N L]
2 • Operating CH.
: CH 2
• Transmitting
(NARROW)
[MOD N H]
3 • Operating CH.
: CH 13
• Transmitting
(WIDE)
[MOD W C]
4 • Operating CH.
: CH 5
• Transmitting
±
4.10 kHz
(WIDE)
[MOD W L]
5 • Operating CH.
: CH 1
• Transmitting
(WIDE)
[MOD W H]
6 • Operating CH.
: CH 12
• Transmitting
(MIDDLE)
[MOD W C]
([EUR] only)
7 • Operating CH.
: CH 5
• Transmitting
±
3.20 kHz
(MIDDLE)
[MOD W L]
([EUR] only)
8 • Operating CH.
: CH 1
• Transmitting
(MIDDLE)
[MOD W H]
([EUR] only)
9 • Operating CH.
: CH 12
• Transmitting