Receive Adjustments - Icom IC-9700 Service Manual

4-5 RECEIVE ADJUSTMENTS

Touch [RX] on the main adjustment menu screen.
ADJUSTMENT
VHF TOTAL GAIN 1
-Preparation-
-Adjustment- 2 Total Gain VHF PRE OFF ref • Set the SSG to:
3 Total Gain VHF PRE OFF set • Set the SSG to:
4 Total Gain VHF PRE ON ref
5 Total Gain VHF PRE ON set • Set the SSG to:
VHF AGC 1 VHF AGC set
ATTENUATOR
UHF TOTAL GAIN 1
-Preparation-
-Adjustment- 2 Total Gain UHF PRE OFF ref • Set the SSG to:
3 Total Gain UHF PRE OFF set • Set the SSG to:
4 Total Gain UHF PRE ON ref • Set the SSG to:
5 Total Gain UHF PRE ON set • Set the SSG to:
UHF AGC 1 UHF AGC set
ATTENUATOR
1.2GHz A BAND 1
TOTAL GAIN
-Preparation-
-Adjustment- 2 Total Gain 1.2GA PRE OFF
ref
3 Total Gain 1.2GA PRE OFF
set
4 Total Gain 1.2GA PRE ON
ref
5 Total Gain 1.2GA PRE ON
set
1.2GHz A BAND 1 1.2GA AGC set
AGC
ATTENUATOR
1.2GHz B BAND 2 Total Gain 1.2GB PRE OFF
TOTAL GAIN
ref
-Adjustment-
3 Total Gain 1.2GB PRE OFF
set
4 Total Gain 1.2GB PRE ON
ref
5 Total Gain 1.2GB PRE ON
set
1.2GHz B BAND 1 1.2GB AGC set
AGC
ATTENUATOR
• After the adjustment, the transceiver shows the RX adjustment menu.
• Push [EXIT] to return to the main adjustment menu screen.
*
The output level of the standard signal generator (SSG) is measured at the load end (PD).
ADJUSTMENT ITEM
DISPLAY
–
–
–
SETTING CONDITION
• Connect the standard signal
generator (SSG) to the the
[144MHz ANT] connector.
Frequency: 146.0215 MHz
*
Level : +30 dBµ (−77 dBm)
Modulation: None
Level: OFF
• Set the SSG to:
*
Level : +30 dBµ (−77 dBm)
Level: OFF
• Set the SSG to:
*
Level : +50 dBµ (−57 dBm)
• Connect the standard signal
generator (SSG) to the the
[430MHz ANT] connector.
Frequency: 435.0215 MHz
*
Level : +30 dBµ (−77 dBm)
Modulation: None
Level: OFF
*
Level : +30 dBµ (−77 dBm)
Level: OFF
• Set the SSG to:
*
Level : +50 dBµ (−57 dBm)
• Connect the standard signal
generator (SSG) to the the
[1200MHz ANT] connector.
• Set the SSG to:
Frequency: 1280.0215 MHz
*
Level : +30 dBµ (−77 dBm)
Modulation: None
• Set the SSG to:
Level: OFF
• Set the SSG to:
*
Level : +30 dBµ (−77 dBm)
• Set the SSG to:
Level: OFF
• Set the SSG to:
*
Level : +50 dBµ (−57 dBm)
• Set the SSG to:
*
Level : +30 dBµ (−77 dBm)
• Set the SSG to:
Level: OFF
• Set the SSG to:
*
Level : +30 dBµ (−77 dBm)
• Set the SSG to:
Level: OFF
• Set the SSG to:
*
Level : +50 dBµ (−57 dBm)
4-9
OPERATION
Touch [VHF] to enter to the VHF
receive adjustment mode.
Touch [SET].
(Two beeps sound after adjustment
of each item is completed.)
Touch [SET].
(Two beeps sound after adjustment
of the item is completed.)
Touch [UHF] to enter to the UHF
receive adjustment mode.
Touch [SET].
(Two beeps sound after adjustment
of each item is completed.)
Touch [SET].
(Two beeps sound after adjustment
of the item is completed.)
Touch [1.2G] to enter to the 1.2GHz
receive adjustment mode.
Touch [SET].
(Two beeps sound after adjustment
of each item is completed.)
Touch [SET].
(Two beeps sound after adjustment
of the item is completed.)
Touch [SET].
(Two beeps sound after adjustment
of each item is completed.)
Touch [SET].
(Two beeps sound after adjustment
of the item is completed.)
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