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1760 Series Component Waveform/Vector Monitor User Manual
3-24
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.
Additional choices appear when
CAL SIG or GAIN CAL is
turned on:
CAL SIG
ON
H In waveform mode, the user can set the calibrator
frequency to
100 KHZ or to FSC OSC (FSC OSC =
3.58 MHz for NTSC/4.43 MHz for PAL).
Dual-stan-
dard monitors also have the option of choosing
NTSC FSC (3.58 MHz) or PAL FSC (4.43 MHz).
H In vector mode, the user can set the calibrator
frequency, for dual-standard instruments only, to
NTSC FSC (3.58 MHz) or PAL FSC (4.43 MHz).
H In both waveform and vector modes, selecting NTSC
FSC
or PAL FSC temporarily switches the instrument
to the appropriate video standard. The standard is
restored when changing the selection or when
exiting the
CALIBRATE menu.
GAIN CAL
ON
H In waveform mode, the left bezel control adjusts
instrument vertical gain
(V CAL) and the center bezel
control adjusts instrument horizontal gain (
H CAL).
Once gain has been adjusted, two reset options
appear on screen. If either of these resets is se-
lected, a box flashes momentarily around the on-
screen label to acknowledge that reset has occurred.
RESET VCAL cancels any vertica l ga in adjustments