Tektronix 7834

FRONT-PANEL CONTROLS, CONNECTORS AND INDICATORS
Operating Instructions-7834
(~ READOUT
Intensity (Option 1 deletes Readout System) -Controls brightness of the readout display . Disables Read-
out System in
counterclockwise detent position .
2

Camera Power Connector (not labeled)--Three-pin
connector provides power for camera operation and receives single-
sweep-reset signal .
O
TRACE ROTATION-Screwdriver adjustment
to align
trace(s)
with graticule
lines .
O
ASTIG-Screwdriver adjustment used in conjunction with FOCUS control to obtain a
well defined display .
A INTENSITY (indicator)-Illuminates when selected by HORIZONTAL MODE switch .
A INTENSITY--Controls brightness of trace produced by the plug-in unit installed
in the
A HORIZ
compartment .
FOCUS-Control optimizes crt trace definition .
B INTENSITY (indicator)--Illuminates when selected by the HORIZONTAL MODE switch .
B INTENSITY-Controls brightness of the trace produced by the plug-in unit
installed in the B HORIZ compartment .
BEAMFINDER-When pressed compresses and defocuses display within graticule area .
REDUCED SCAN--Calibrated area of crt is reduced to inner half-size graticule and stored
writing
speed is
increased .
Storage Mode Switch (not labeled) -Selects 1 of 4 storage display modes or the NON-STORE display
mode .
STORAGE LEVEL-Varies writing speed of FAST BISTABLE, VAR PERSIST, and FAST VAR PERSIST storage
modes .
14

SAVE-Retains storage display in a nonerasable mode with continuously variable
intensity
.
15

MULTI TRACE DLY-Controls time between successive sweeps when
operating
in
FAST BISTABLE and FAST VAR
PERSIST storage modes .
READOUT Mode-Switch selects FREE RUN or GATED readout modes .
11

AUTO ERASE-Controls time of automatic erase viewtime .
18

ERASE-Erases stored display .
19

PERSISTENCE-Controls rate of continuous erasure of FAST VAR PERSIST and VAR PERSIST storage displays .
2~

SAVE
INTENSITY-Controls intensity of the SAVE display .
21

Ground (not labeled)-Binding post to
establish common ground between
associated
equipment
.
23
24
25
26
B TRIGGER SOURCE-Selects internal trigger source for B HORIZ plug-in unit .
VERT TRACE SEPARATION (B)-Vertically positions the B HORIZ trace with respect
to
the
A HORIZ trace
(dual-sweep modes
only) .
HORIZONTAL
MODE-Selects input source for horizontal deflection .
A TRIGGER SOURCE-Selects
internal trigger source for A HORIZ plug-in unit .
VERTICAL MODE-Selects input source for vertical deflection .
CALIBRATOR-Provides 1 kHz calibrated square-wave voltages .
POWER (Switch and
Indicator) -Switch controls power to instrument ; indicator illuminates when
power is on .
GRAT ILLUM-Controls
illumination of graticule lines .
Horizontal Selector-Three position Switch A, B, and
Normal ; A and B positions modify operation of
HORIZONTAL
MODE switch for FAST BISTABLE and
FAST VAR PERSIST X-Y storage displays .
Figure 2- 1 . Front-panel
controls, connectors and indicators (continued) .
1987-1