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1740A/1750A Series Waveform/Vector Monitor User Manual
3-21
OFFSET
H The VERTICAL POSITION control normally positions
all channels together. When
OFFSET is enabled, the
bezel controls can be used to offset input channels 2
(
A or B)and3(A or B) with respect to channel 1 (A
or B).
H While the offsets are enabled, the
VERTICAL POSI-
TION
control will still position all channels together,
with the offset amount remaining constant. When
OFFSET is turned off, the input channels will be
re-aligned. The selected offset amount will be
recalled the next time
OFFSET is enabled.
H When
A2A3 OFFSET is on, the center and right bezel
controls are assigned to
CH A2 and CH A3 offsets.
On-screen labels appear just above each control.
Turning these controls will offset the
CH A2 and CH
A3
signals with respect to CH A1. When B2B3 offset
is on, the same two controls are assigned to
CH B2
and CH B3.
H When both A2A3 and B2B3 offsets are on, the user
assigns the controls to either
A or B offsets. The
CONTROL selection only appears when both A and B
OFFSETS
are selected.
H An offset will remain in effect until the user turns
the offset
OFF. (Exiting the CONFIG menu will not
affect the
OFFSET ON / OFF setting.)
CALIBRATE
These choices are offered when CALIBRATE is selected:
H
CAL SIG — Turns the 1 V internal calibrator signal
on/off.
H
GAIN CAL — Turns on the gain calibration adjust-
ment on/off.