Icom IC-F1721/D Service Manual page 20

SOFTWARE ADJUSTMENT (Continued)
Select an operation using [↑] / [↓] keys, then set specifi ed value using [←] / [→] keys on the connected computer keyboard
ADJUSTMENT ADJUSTMENT CONDITION
OUTPUT 1 • Operating CH.
POWER • Transmitting
[Power (Hi)]
[Power (L2)] 2 • Operating CH.
• Transmitting
[Power (L1)] 3 • Operating CH.
• Transmitting
MODULATION 1 • Operating CH.
BALANCE • Preset [MOD N]
• No audio applied to the [MIC] connector.
[BAL]
• Set a modulation analyzer as:
HPF
LPF
De-emphasis
Detector
• Push [P0] while transmitting.
1 • Operating CH.
FM
• Connect an audio generator to the [MIC]
DEVIATION
connector and set as
(NARROW)
[MOD N C]
• Set a Modulation analyzer as:
HPF
LPF
De- emphasis
Detector
• Transmitting
2 • Operating CH.
(NARROW)
• Transmitting
[MOD N L]
3 • Operating CH.
(NARROW)
• Transmitting
[MOD N H]
4 • Operating CH.
(WIDE)
• Transmitting
[MOD W C]
5 • Operating CH.
(WIDE)
• Transmitting
[MOD W L]
6 • Operating CH.
(WIDE)
• Transmitting
[MOD W H]
7 • Operating CH.
(MIDDLE)
• Transmitting
[MOD W C]
([EUR] only)
8 • Operating CH.
(MIDDLE)
• Transmitting
[MOD W L]
([EUR] only)
9 • Operating CH.
(MIDDLE)
• Transmitting
[MOD W H]
([EUR] only)
UNIT
: CH 3 Rear
panel
: CH 2
: CH 1
: CH 11 Rear
: 100 panel
: OFF
: 20 kHz
: OFF
: (P–P)/2
: CH 4
Rear
panel
: 1.0 kHz/40 mVrms
: OFF
: 20 kHz
: OFF
: (P–P)/2
: CH 11
: CH 8
: CH 1
: CH 10
: CH 7
: CH 1
: CH 10
: Ch 7
5 - 6
MEASUREMENT
LOCATION
Connect an RF power meter to
the antenna connector.
Connect a modulation analyzer
with an oscilloscope to the
antenna connector through an
attenuator.
Connect a modulation ana-
lyzer to the antenna connector
through an attenuator.
VALUE
25.0 W [25W]
50.0 W [50W]
10.0 W [25W]
25.0 W [50W]
2.5 W [25W]
5.0 W [50W]
Set to square wave
form
±2.10 kHz
±2.10 kHz
±2.10 kHz
±4.10 kHz
±4.10 kHz
±4.10 kHz
±3.20 kHz
±3.20 kHz
±3.20 kHz