Tektronix T922 User Manual

REV . AJUL 1977
T922R
LINE VOLTAGE
AND RANGE SELECTION
When you change the line voltage
range, be sure you
change the position of the screw
on
the
AC RMS
RANGE indicator on the rear panel .
In the T922R, the Line Selector (120V/24OV)
and
Range
Selector HI/LO switches are not accessible outside the
instrument . To change the settings, remove the top cover
and set theswitches
according to the available line voltage
(see Fig . 5-15) . See the Specifications in
Section
1
of this
manual for the ranges .
T922R Z-Axis
Input Polarity Selection
Jumper plug P2430 may be installed on the All 5 Buffer
board in either of two positions . When the plug is installed
/`Nwith the
index mark alignedwith the += DIM markon the
board, a 5-volt positive signal
applied to Z AXIS IN (J2430)
will cause the trace to decrease in intensity
(a negative-
going signal will cause the trace intensity to increase) .
When
plug P2430 is installed with its index mark aligned
with the +=
BRIGHT markon the board, a 5-volt positive
signal will increase the
trace intensity (a negative-going
signal will cause trace intensity
to decrease) . Remove top
cover of the T922R for access
to
Buffer
board and P2430 .
Service
Information-T921/T922/T922R
Fig . 5-15 . T922R line-voltage and range selection .
REPACKAGING FOR SHIPMENT
If the Tektronix instrument
is
to be shipped
to
a Tektronix
Service Center for service or repair, attach a tag showing :
owner (with address) and the name of an individual atyour
firm that can be
contacted . Include complete instrument
serial number and a description of the service
required .
Save and re-use the package in which your instrument was
shipped . If the original packaging is unfit for use or not
available, repackage the instrument as follows :
Surround the instrument with polyethylene sheeting to
protect the
finish of the instrument . Obtain a carton of
corrugated cardboard
of
the
correct carton strength
and having inside dimensions of no less than six inches
more than the instrument dimensions . Cushion the
instrument by tightly packing three inches of dunnage
or urethanefoam between carton and instrument, on all
sides . Seal carton with shipping tape or industrial
stapler .
The
carton test strength
for
the T921 and T922 is 275
pounds
and for the T922R
is 375 pounds .
5- 2 1

Tektronix T922 Specifications

General

Brand	Tektronix
Model	T922
Category	Test Equipment
Language	English