FEC920: USER GUIDE
Page 58
September 18
Figure 49 shows a typical display when ‘Input adjust’ is selected from the Instrument menu, and Apply Adjust
has been selected. As can be seen, Channel 3 has previously been adjusted.
Figure 49 Input adjust top level display
Channel 1 to 4
Shows the adjust status of each channel.
Apply Adjust
Selecting ‘Yes’ initiates the adjustment procedure described below.
Remove Adjust
Selecting ‘Yes’ initiates the adjustment removal procedure described below.
Abort
Allows the user to abandon input adjustment at any point in the procedure.
ADJUSTMENT PROCEDURE
1.
As shown in Figure 50, highlight the ‘Apply Adjust’ field, and operate the scroll key to enter edit mode. Use
the up or down arrow key to select ‘Yes’. Use the scroll button to change Channel 1 ‘cross’ to a ‘tick’
(check mark). Similarly select any other channels which require adjustment.
Figure 50 Channel adjustment procedure (1)
2.
Highlight the ‘Start IP ‘Adjust’ field and use the scroll and up/down arrow to select ‘Yes’. Use the scroll key
again to enter the low value adjust page.
3.
Apply the known low value and wait for the value to stabilize. Enter the ‘Low Target Value’ (the value that
the instrument is to read for the applied input). When all is steady, use the scroll and up/down arrow to set
the ‘Confirm Low’ field to ‘Yes’, then operate the scroll button again.
Figure 51 Channel adjustment procedure (2)
Channel 1
Channel 2
Channel 3
Channel 4
Apply Adjust
Remove Adjust
Instrument.Input Adjust
Unadjusted
Unadjusted
Adjusted
Unadjusted
No
No
Channel 1
Channel 2
Channel 3
Channel 4
Apply Adjust
Remove Adjust
Instrument.Input Adjust
Unadjusted
Unadjusted
Adjusted
Unadjusted
Yes
No
Channel 1
Channel 2
Channel 3
Channel 4
Start IP Adjust
Abort
Instrument.Input Adjust
No
No
Channel 1
Channel 2
Channel 3
Channel 4
Start IP Adjust
Abort
Instrument.Input Adjust
Yes
No
Low Target Value
Confirm Low
Channel 1 Value
Abort
Instrument.Input Adjust
0.00
Yes
0.21
No
A5E45696052A Rev-AA
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