Zero Offset Adjustment Location; Jumper Settings Vs. Adjustable Range - Agilent Technologies 4284A Service Manual

A2R224
(0 DEG)
A2R324
(90 DE G)
Figure 2-1 6 . Zero Offset Adjustment Location
If R224 and R324 cannot be adjusted, change W201 , W202 , W203, W30 1 , W302 ,
and W303 jumper settings and try again. W201 , W202 and W203 are related to
R224. W301 , W302 and W303 are related to R324. Fig u re 2-1 7 shows the rela­
tion between the jum per setti ngs and the adjustabl e range. After changing the
jumper settings, press the 'Retry' softkey to reset the H P 4284A's adju stment
conditions.
JUMPER SETTING
�
W201 �
W202 � -
W203
� -
W202
- m.;!
W201
- !i:88lI
W203
W202 -
- 3211
W201
- C88SI
W203
- !5i2i1!
W202
1I:8K!I -
W201
1I:8K!I -
W203
JUMPER SETTING
1122\l -
� -
W301
W302 � -
W303
I!i!i!'i'! -
- !!:!!XlI
W301
�
W302
-
W303
�
-
- �
W301
- �
W302
W303
- !!:!!XlI
i5llliI
W301
i5llliI
W302
W303
Figure 2-1 7. J umper Setti ngs VS. Adjustable R ange
A2 BOARD
NOTE
-
G READlNG
DECREASE
-
0
-
FeW FCCW 1R224 SETTING)
U
FCCW
�
1R224 smlNG) FCW
R224 smlNG)
-
B READING
INCREASE
0
FCW
FCCW 1R324 SETTING>
U
FCCW
1R324 SETTING>
FCW
-
R324 SETTING>
-
2-21
A2R224
A2R324
(0 DEG)
(90 DEG)
_
INCREASE
1R224 SETTING)
FCW
0
FCCW
U
FCCW FCW
-
DECREASE
1R324 SETTING>
FCW
0
FCCW
U
FCCW FeW