![background image](http://html2.mh-extra.com/html/icom/ic-7851/ic-7851_servise-manual_4153040032.webp)
ADJUSTMENT
OPERATION
ADJUSTMENT
ITEM
VALUE
( Continued from
the previous
page.)
23 1) Set the SSG as:
•
Level:
OFF
2) Push [F-7].
•
“Total Gain A HF PRE OFF 1k ref” is displayed.
[Total Gain A HF PRE
OFF 3k set]
Push [F-7].
24 1) Set the SSG as:
• Frequency:
14.1515 MHz
• Level:
+60 dBµ
2) Push [F-7].
•
“Total Gain A HF PRE OFF 1k set” is displayed.
[Total Gain A HF PRE
OFF 1k ref]
Push [F-7].
25 1) Set the SSG as:
•
Level:
OFF
2) Push [F-7].
•
“Total Gain B HF PRE OFF 15k ref” is displayed.
[Total Gain A HF PRE
OFF 1k set]
Push [F-7].
26 1) Set the SSG as:
• Frequency:
14.1515 MHz
• Level:
+60 dBµ
2) Push [F-7].
•
“Total Gain B HF PRE OFF 15k set” is displayed.
[Total Gain B HF PRE
OFF 15k ref]
Push [F-7].
27 1) Set the SSG as:
•
Level:
OFF
2) Push [F-7].
•
“Total Gain B HF PRE1 ref” is displayed.
[Total Gain B HF PRE
OFF 15k set]
Push [F-7].
28 1) Set the SSG as:
• Frequency:
14.1515 MHz
• Level:
+60 dBµ
2) Push [F-7].
•
“Total Gain B HF PRE1 set” is displayed.
[Total Gain B HF PRE1
ref]
Push [F-7].
29 1) Set the SSG as:
•
Level:
OFF
2) Push [F-7].
•
“Total Gain B 50M PRE OFF ref” is displayed.
[Total Gain B HF PRE1
set]
Push [F-7].
30 1) Set the SSG as:
• Frequency:
50.1515 MHz
• Level:
+60 dBµ
2) Push [F-7].
•
“Total Gain B HF PRE1 set” is displayed.
[Total Gain B 50M PRE
OFF ref]
Push [F-7].
31 1) Set the SSG as:
•
Level:
OFF
2) Push [F-7].
•
“Total Gain B 50M PRE1 ref” is displayed.
[Total Gain B 50M PRE
OFF set]
Push [F-7].
32 1) Set the SSG as:
• Frequency:
50.1515 MHz
• Level:
+60 dBµ
2) Push [F-7].
•
“Total Gain B 50M PRE1 set” is displayed.
[Total Gain B 50M PRE1
ref]
Push [F-7].
33 1) Set the SSG as:
•
Level:
OFF
2) Push [F-7].
•
“Total Gain B HF PRE OFF 6k ref” is displayed.
[Total Gain B 50M PRE1
set]
Push [F-7].
34 1) Set the SSG as:
• Frequency:
14.1515 MHz
• Level:
+60 dBµ
2) Push [F-7].
•
“Total Gain B 50M PRE1 set” is displayed.
[Total Gain B HF PRE
OFF 6k ref]
Push [F-7].
35 1) Set the SSG as:
•
Level:
OFF
2) Push [F-7].
•
“Total Gain B HF PRE OFF 3k ref” is displayed.
[Total Gain B HF PRE
OFF 6k set]
Push [F-7].
36 1) Set the SSG as:
• Frequency:
14.1515 MHz
• Level:
+60 dBµ
2) Push [F-7].
•
“Total Gain B 50M PRE OFF 3k set” is displayed.
[Total Gain B HF PRE
OFF 3k ref]
Push [F-7].
• RX ADJUSTMENTS (continued)
3-19