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1. Do not use the unit in any of the following
locations:
* Places where the unit is exposed to direct
sunlight.
* Places where temperature and humidity are
high.
* Places where there are mechanical vibration.
* Places near equipment
lines of magnetic force or impulse voltages.
2. When operating the unit on voltages other
than 2 4 0 V , set the A C voltage selector switch
to 100V, 1 1 7 V or 2 2 0 V according to your
local A C current. The voltage selector switch
is located on the side panel of the unit.
When operating on 100V or 117V, remove the
0.5A fuse and replace it with one rated at 1 A.
3. Do not apply input voltages exceeding their
maximum ratings.
vertical amplifier is up to 3 0 0 V (DC +
peak), the input for EXT T R I G is up to 50V (DC
+ A C peak), and the input to Z A X I S is up to
100V (DC + A C peak).
4. Never leave a bright spot on the screen of C R T
for an extended period of time.
5. For X - Y operation, use the P U L L X 5 M A G
switch in the P U S H position. If it is set in the
P U L L
position,
noise
waveform.
6. When the unit is loaded with battery, always
keep it in temperatures of 0 ° C to + 4 0 ° C .
MAINTENANCE AND A D J U S T M E N T
M A I N T E N A N C E
C R T Trace Angle Adjustment:
Using a " c r o s s " head screwdriver, turn the screw in
the hole of T R A C E R O T A T E at the left side of the
case.
R e m o v a l of C a s e :
Remove the battery (if provided) from the case.
1. Remove the 4 screws from the top and bottom
of the case using a " c r o s s " head screwdriver.
2. The chassis can then be readily removed from
the case.
28
P R E C A U T I O N S
generating
strong
The input voltage to the
A C
may
appear
in
the
7. Installation of oscilloscope
The carrying handle of the unit turns 9 0 degree
angle in either direction (See Fig. 40), permit-
ting the unit to be placed horizontally, vertical-
ly or aslant.
Do not put any objects on the unit or close the
ventilation
hole, a s it w i l l
temperature inside the case.
S e t t i n g of o s c i l l o s c o p e
Position of handle
Fig. 4 0
Fig. 41 R e m o v a l of c a s e
increase the
S C R E W S
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