Software Adjustment - Icom IC-FR3000 Service Manual

Vhf fm repeater
Hide thumbs Also See for IC-FR3000:
Table of Contents

Advertisement

4-4 SOFTWARE ADJUSTMENT

Select an operation using [CH-UP] / [CH-DN] keys, then set specified value using [RPT/BASE] / [MONI] keys on the FRONT
PANEL.
ADJUSTMENT
OUTPUT
1
• LCD display
POWER
• Operating freq. : 465.2750 MHz
[Power (Hi)]
• Connect the RF power meter to the TX
antenna connector.
• Transmitting
[Power (LOW)]
2
• LCD display
• Operating freq. : 465.2750 MHz
• Transmitting
FM
• LCD display
DEVIATION
• Operating freq. : 465.2750 MHz
• IF bandwidth
• Connect an audio generator to the [MIC]
jack through the JIG cable and set as:
1.0 kHz/40 mVrms
• Set an FM deviation meter as:
HPF
LPF
De-emphasis: OFF
Detector
• Transmitting
CTCSS
1
• LCD display
DEVIATION
• Operating freq. : 465.2750 MHz
[WIDE]
• Set the FM deviation meter as:
HPF
LPF
De-emphasis: OFF
Detector
• No audio applied to the [MIC] connector.
• Transmitting
[NARROW]
2
• LCD display
• Operating freq : 465.2750 MHz
• No audio applied to the [MIC] connector.
• Transmitting
MODULATION
• LCD display
BALANCE
• Operating freq. : 465.2750 MHz
[DTCS]
• No audio applied to the [MIC] connector.
• Transmitting.
REPEATER
1
• LCD display
DEVIATION
• Operating freq : 460.2750 MHz (RX)
[WIDE]
• Connect a standard signal generator to
the RX antenna connector and set as:
Level
Modulation
Deviation
• Transmitting
[NARROW]
2
• LCD display
• Operating freq : 460.2750 MHz (RX)
• Transmitting
*The output level of the standard signal generator (SSG) is indicated as the SSG's open circuit.
ADJUSTMENT CONDITION
: A06 HW POWER
: A06 LW M POWER
: A07 LW M DEV
: Wide
: OFF
: 20 kHz
: (P–P)/2
: A10 LW CTCDEV
: OFF
: 20 kHz
: (P–P)/2
: A12 LN CTCDEV
: A11 LW DTCADJ
: A13 LW RPTAF
465.2750 MHz (TX)
: 1 mV* (–47 dBm)
: 1 kHz
: ±3 kHz
: A14 LN RPTAF
465.2750 MHz (TX)
MEASUREMENT
UNIT
LOCATION
Rear
Connect an RF power meter to
panel
the TX antenna connector.
Rear
Connect an FM deviation meter
panel
to the TX antenna connector
through the attenuator.
Rear
Connect an FM deviation meter
panel
to the TX antenna connector
through the attenuator.
Rear
Connect an FM deviation meter
panel
with an oscilloscope to the TX
antenna connector through an
attenuator.
Rear
Connect an FM deviation meter
panel
to the TX antenna connector
through the attenuator.
4 - 7
VALUE
50.0 W
10.0 W
±4.5 kHz
±0.7 kHz
±0.35 kHz
Set to square wave
form
±3.0 kHz
±1.5 kHz

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

Ic-fr3100

Table of Contents