![background image](http://html.mh-extra.com/html/icom/ic-4061s/ic-4061s_service-manual_612128018.webp)
6-3 TRANSMIT ADJUSTMENT
Select an adjustment item using [
↑
] / [
↓
] keys, then set to the specifi ed value using [
←
] / [
→
] keys on the connected PC's keyboard.
ADJUSTMENT
ADJUSTMENT CONDITION
MEASUREMENT
VALUE
UNIT
OPERATION
OUTPUT
POWER
[Power (Hi)]
1 • Channel
• Transmitting
: 5
Top
panel
Connect an RF power meter to
the antenna connector.
5.0 W
[Power (L2)]
2 • Channel
• Transmitting
: 6
2.0 W
[Power (L1)]
3 • Channel
• Transmitting
: 2
1.0 W
MODULATION
BALANCE
[BAL (Narrow)]
1 • Channel
• Preset [MOD Narrow]
: 2
: 80
Top
panel
Connect the FM deviation me-
ter to the antenna connector
through an attenuator.
Set to square wave form
• No audio applied to the JIG cable.
• Set an FM deviation meter same as;
HPF
LPF
De-emphasis
Detector
: OFF
: 20 kHz
: OFF
: (P–P)/2
• Push [P0] key while transmitting.
FM
DEVIATION
(NARROW)
[MOD N C]
1 • Frequency
: 7
Top
panel
Connect the FM deviation me-
ter to the antenna connector
through an attenuator.
±2.05 to ±2.15 kHz
• Connect an audio generator to the JIG
cable and set as;
Frequency : 1.0 kHz
Level : 150 mV rms
• Set the FM deviation meter to same condi-
tion as "MODULATION BALANCE."
• Transmitting
(NARROW)
[MOD N L]
2 • Channel
• Transmitting
: 8
(NARROW)
[MOD N H]
3 • Channel
• Transmitting
: 9
(WIDE)
[MOD W C]
4 • Channel
• Transmitting
: 2
±4.05 to ±4.15 kHz
(WIDE)
[MOD W L]
5 • Channel
• Transmitting
: 1
(WIDE)
[MOD W H]
6 • Channel
• Transmitting
: 3
(MIDDLE)
†
[MOD M C]
7 • Frequency
• Transmitting
: 10
±3.2 to ±3.3 kHz
(MIDDLE)
†
[MOD M L]
8 • Frequency
• Transmitting
: 11
(MIDDLE)
†
[MOD M H]
9 • Frequency
• Transmitting
: 12
DIGITAL
DEVIATION*
[MOD D C]
1 • Frequency
• Preset [Digital Mode]
: 13
: 7
Top
panel
Connect an FM deviation meter to
the antenna connector through
an attenuator.
±1.35 to ±1.39 kHz
• Set the FM deviation meter to same condi-
tion as "MODULATION BALANCE."
• Transmitting
[MOD D L]
2 • Channel
• Transmitting
: 14
[MOD D H]
3 • Channel
• Transmitting
: 15
CTCSS/DTCS
DEVIATION
[CTCSS/DTCS]
1 • Channel
• CTCSS
: 16
: 151.4 Hz
Top
panel
Connect an FM deviation meter to
the antenna connector through
an attenuator.
±0.68 to
±
0.72 kHz
• No audio applied to the JIG cable.
• Set the FM deviation meter to same condi-
tion as "MODULATION BALANCE."
• Transmitting
†
; [EUR-01] only.
*; Necessary only when the optional UT-119H or UT-126H is installed.
6 - 5