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For primary inputs, all four channels are included in the list and can therefore be selected for adjustment. For
secondary inputs, only those channels which have been configured as dual input are included.
6.1.10 Output adjust
This item appears only if one or more of I/O type DC Output is fitted and allows the user to compensate for
tolerance errors etc. in connected equipment.
DC Output 3A3B
DC Output 2A2B
ADJUST PROCEDURE
1.
Highlight the 'Apply Adjust' field, and operate the scroll key to enter edit mode. Use the up or down arrow
key to select the required output and confirm with the scroll key. The output adjust page appears for the
low point.
2.
Measure the output at the required point, and enter this value in the 'Measured Output' field using the text
entry techniques described in Section 5.6. To skip this stage go to step 3.
3.
Set 'Confirm Low' to 'Yes'. The output adjust page appears for the high point.
4.
Measure the output at the required point, and enter this value in the 'Measured Output' field as described
for the low point. To skip this stage go to step 5.
5.
Set 'Confirm High' to 'Yes'. The output adjust initial display reappears, with the word 'Adjusted' in the rele-
vant DC Output field.
Instrument.Output Adjust
Measured Output
Confirm Low
Note: 1. The figures above show the displays when the DC output is set to 'Volts' (Section 6.10)
(3A3B only). The mA displays are similar, but the fixed low and high values are 4mA and
20mA respectively
Note: 2. 'Abort' cancels operations so far and returns to the output adjust initial display (Figure 55).
Page 60
FEC920: USER GUIDE
Instrument.Output Adjust
Unadjusted
Unadjusted
Apply Adjust
No
Remove Adjust
No
Figure 55 Output adjust initial display
Output
2V
2.000
No
Abort
No
Figure 56 Low and High adjust point displays
DC Output 3A3B
DC Output 2A2B
Figure 57 Adjusted display
A5E45696052A Rev-AA
1A1B and 2A2B can be configured only as
mA outputs.
3A3B can be configured as mA or Volts.
See Section 6.10 for configuration details.
Measured Output
Instrument.Output Adjust
Adjusted
Unadjusted
Apply Adjust
No
Remove Adjust
No
Instrument.Output Adjust
Output
10V
10.000
Confirm High
No
Abort
No
September 18
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