Tektronix 1740A/1750A User Manual
Page 99

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.