6-3 TRANSMIT ADJUSTMENT

Select an adjustment item using [] / [] keys, then set to the specified value using [] / [] keys on the connected PC’s keyboard.

ADJUSTMENT

ADJUSTMENT CONDITION

 

 

MEASUREMENT

 

 

VALUE

 

UNIT

OPERATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTPUT

1

• Channel

: CH 3

 

Top

Connect an RF power meter to

 

 

 

5.0 W

POWER

 

• Transmitting

 

 

panel

the antenna connector.

 

 

 

 

 

 

 

[Power (Hi)]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[Power (L2)]

2

• Channel

: CH 4

 

 

 

 

 

 

 

2.0 W

 

 

• Transmitting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[Power (L1)]

3

• Channel

: CH 5

 

 

 

 

 

 

 

1.0 W

 

 

• Transmitting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MODULATION

1

• Channel

: CH 6

 

Top

Connect the FM deviation me-

 

 

 

 

 

 

 

BALANCE

 

• No audio applied to the JIG cable.

 

panel

ter to the antenna connector

Set to square wave form

[BAL]

 

• Set an FM deviation meter same as;

 

 

through an attenuator.

 

 

 

 

 

 

 

 

 

HPF

: OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

LPF

: 20 kHz

 

 

 

 

 

 

 

 

 

 

 

 

 

De-emphasis

: OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

Detector

: (P–P)/2

 

 

 

 

 

 

 

 

 

 

 

 

 

• Transmitting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FM

1

• Channel

: CH 5

 

Top

Connect the FM deviation me-

±2.05 to ±2.15 kHz

DEVIATION

 

• Connect an audio generator to the JIG

 

panel

ter to the antenna connector

 

 

 

 

 

 

 

(NARROW)

 

cable and set as;

 

 

 

through an attenuator.

 

 

 

 

 

 

 

[MOD N]

 

Frequency

: 1.0 kHz

 

 

 

 

 

 

 

 

 

 

 

 

 

Level

: 150 mV rms

 

 

 

 

 

 

 

 

 

 

 

Set the FM deviation meter to same condi- tion as “MODULATION BALANCE.”

Transmitting

(WIDE)

2

• Channel

: CH 9

 

 

±4.05 to ±4.15 kHz

[MOD ratio]

 

• Transmitting

 

 

 

 

 

 

 

 

 

 

 

(MIDDLE)*

3

• Channel

: CH 7

 

 

±3.15 to ±3.25 kHz

[MOD ratio]

 

• Transmitting

 

 

 

 

 

 

 

 

 

 

 

CTCSS/DTCS

1

• Channel

: CH 8

Top

Connect an FM deviation meter to ±0.68 to ±0.72 kHz

DEVIATION

 

• No audio applied to the JIG cable.

panel

the antenna connector through

[CTCS/DTCS]

 

• Set the FM deviation meter to same condi-

 

an attenuator.

 

 

tion as “MODULATION BALANCE.”

 

 

 

 

 

• Transmitting

 

 

 

 

 

 

 

 

 

 

 

*; [EUR] only.

 

 

 

 

 

 

6 - 5

Page 18
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Icom IC-F3023S, IC-F3022T, IC-F3022S, IC-F3021S, IC-F3021T, IC-F3023T service manual Transmit Adjustment

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