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Section
5-2230
Operators
OPERA TOR'S CHECKS
AND ADJUSTMENTS
To verify the operation and basic accuracy of your
instrument before making measurements, perform the fol-
lowing checks and adjustment procedures. If adjustments
are required beyond the scope
of
these operator's checks
and adjustments, refer the instrument to qualified service
personnel.
For new equipment checks, before proceeding with
these instructions, refer to "Preparation for Use"
in
this
manual to prepare the instrument for the initial start-up
before applying power.
INITIAL SETUP
1.
Verify that the POWER switch
is
OFF (switch is
in
the out position), then plug the power cord into the ac
power outlet.
2.
Press
in
the POWER switch
(ON)
and set the instru-
ment controls to obtain a baseline trace:
Display
A and B INTENSITY
STORAGE/READOUT
INTENSITY
FOCUS
Vertical (Both Channels)
VERTICAL MODE
POSITION
VOLTS/DIV
AC-GND-DC
Var Volts/Div
SW LIMIT
Midrange
Midrange
(with READOUT on)
Best defined display
CH
1
Midrange
50
mV
DC
CAL
(in
detent)
Off (button out)
Horizontal
HORIZONTAL MODE
A SEC/DIV
Var Sec/Div
POSITION
X10 Mag
B DELAY TIME
POSITION
Triggers
VAR HOLDOFF
A&BINT
A SOURCE
A Mode
A LEVEL
A SLOPE
B LEVEL
B SLOPE
HF REJECT
Storage
STORE/NON STORE
SAVE/CONTINUE
PRETRIG/POST TRIG
ROLL/SCAN
1K/4K
POSITION CURS/
SELECT WAVEFORM
WAVEFORM REFER-
ENCE/MENU SELECT
A
0.5 ms
CAL
(in
detent)
Midrange
Off (Var Sec/Div knob
in)
Fully counterclockwise
NORM (fully
counterclockwise)
VERT MODE
INT
P-P
AUTO
For a stable display
(with signal applied)
OUT
(plus-button
out)
B RUNS AFTER DELAY
(fully clockwise)
OUT
(plus-button
out)
OFF (fully counterclockwise)
NON
STORE (button out)
CONTINUE (button out)
POST TRIG (button out)
SCAN (button out)
4K (button out)
POSITION CURS (button
in)
WAVEFORM REFERENCE
(button
in)
3. Adjust the INTENSITY and FOCUS controls for the
desired display brightness and best focused trace.
4. Adjust the Vertical and Horizontal POSITION con-
trols to position the trace within the graticule area.
5. Allow the instrument to warm up for 20 minutes
before commencing the adjustment procedures. Reduce
the INTENSITY levels during the waiting time.
5-1
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