PerkinElmer 200 UV/VIS Series User Manual page 118

Configuring the Detector
Adjusting the Analog Offset
To overcome any possible negative drift, you can make a correction by adjusting the analog
offset value. The detector measures signals within a limited range. The range cannot go
below zero or above one. If the signal drifts below the range, it cannot be seen on the
recorder. To get the signal back into the range, you can adjust the offset to a positive value.
ANALOG OUTPUT SCREEN
Use the cursor arrow key to navigate to the ANALOG OFFSET field. Use the numeric key-
1
pad to enter a value for the Analog Offset.
To accept and save the change(s) and return to the Instrument Setup Screen, press
2
the key.
return
To cancel changes and return to the Instrument Setup Screen press the
6 - 8
Setting Configuration Options
key.
quit