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Calibration
4-18
1740A/1750A Series Waveform/Vector Monitor User Manual
Set Horizontal Gain
1. To set horizontal gain, push the
CONFIG menu
button. Select CALIBRATE, then CAL SIG ON and 100
KHZ
. Select GAIN CAL ON.
a. In 1 LINE SWEEP, adjust the HORIZ CAL
control for one-half cycle per major grati-
cule division; in
2 LINE SWEEP, adjust for
one full cycle per major division.
b. Pushing
RESET HCAL will cancel any gain
adjustment and reinstate the factory gain
setting.
Set Vector
Gain
1. To adjust vector gain, select
VECTOR display mode
and push the CONFIG menu button. Select CALI-
BRATE
, then CAL SIG ON and GAIN CAL ON.
a. Adjust VECT CAL so that the calibration
signal circle falls on the compass rose
(outer ring).
b. Pushing
RESET VEC CAL will cancel any
gain adjustment and reinstate the factory
gain setting.