Operating Basics
Offset Controls
The front panel contains a VAR/0 V offset switch with coarse and fine
adjustments for each channel. Thes e controls enable you to apply a DC
offset from –1 VDC to + 1 VDC to the probe offset circuitry. Each
probe has a different offset range capability. For further information,
refer to the manual for the particu lar probe you are using.
The following describes how to use the offset switches, indicators, and
controls. Both channels fu nction the same.
To apply a DC offset signal:
Press the VAR/0 V sw itch.
A yellow indic
ator is visible when t he o ffset feature is enabled. To
set the desired DC offset level, adjust the coarse offset control (the
outer k nob ) to make the initial sett ing and then use the fine o ffset
control (the
inner knob) to make a more precise setting.
Press the VAR/0V switch again to disable the offset f eature.
The DC offset voltage is disabled and the DC level is set to 0 V.
8 1103 Power Supply Instruction Manual
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