IBM 7220 Instruction Manual page 74

Dsp lock-in amplifier
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Chapter 5, FRONT PANEL OPERATION
5-34
X Offset
This control allows the X output offset to be adjusted, using the lower ADJUST keys
adjacent to the displayed value. Note that although this control adjusts the level of the
offset, it is only applied if the OFFSET control on the left-hand LCD is set to X or
BOTH. If the X offset is ON then the description on the LCD display of all outputs
which would be affected, such as X% fs, or MAG % fs, is alternated with the
warning message OFFSET!
Y Offset
This control allows the Y output offset to be adjusted, using the lower ADJUST keys
adjacent to the displayed value. Note that although this control adjusts the level of the
offset, it is only applied if the OFFSET control on the left-hand LCD is set to Y or
BOTH. If the Y offset is ON then the description on the LCD display of all outputs
which would be affected, such as Y% fs, or MAG % fs, is alternated with the
Figure 5-41, X Output Offset Control
Figure 5-42, Y Output Offset Control

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