Controls, Connectors,
and
Indicators
5-2
CD
ASTIG Control
CD
o
SCALE ILLUM
Control
POWER
Switch
o CRT
@
GPIB STATUS
Indicators
Various functions generate displays in the upper row.
The most recently selected function displaces any
previous readout.
If delta
or
delay readouts displace
displays generated by the available
TV
enhancement
or
CTT, the TV
or
CTT
displays shift to the upper
left corner,
in
lieu of the trigger level readout.
Minimum intensity occurs
at
the control's midrange,
OFF position. Clockwise rotation from midrange
increases the intensity and enables
all displays.
Counterclockwise rotation from midrange increases
the intensity and disables the scale-factor and
control-status displays.
Adjusts the CRT beam shape
to
obtain a well-defined
display over the entire graticule area, in conjunction with
the
FOCUS control. Once adjusted with a screwdriver, it
normally does not require readjustment.
Adjusts the level of graticule illumination.
Turns instrument power on and off. Press
in
for ON;
press again for OFF.
An
indicator
in
the switch shows
green when the switch
is
on and black when it
is
off.
Front-panel settings are returned when power
is
reapplied
to
the instrument, unless saved setup number
1 is selected by EXER
06, described in Appendix
A.
Has a 80-mm vertical by 100-mm horizontal display
area.
Internal graticule lines eliminate parallax-viewing
error between the trace and the graticule lines. The
graticule includes
0%, 10%, 90%, and 1 00% marks for
rise-time measurements.
Included only with the available IEEE-Standard-488
interface (GPIB); show key interactions with a GPIB
system. LOCK lights when the instrument controls are
disabled by a local lockout message from the system
controller.
SRQ lights when the instrument requests a
service response from the system controller. REM lights
when the system controller assumes control
of
the
instrument.
See 24X5A/2467 Option
10
Instrument
Interfacing Guide
for detailed information on using the
instrument
in
a GPIB system.
2465A/2455A/2445A Operators
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