Precautions - Kenwood CS-5140 Instruction Manual

40mhz dual trace oscilloscope
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Plug configuration
1 . Check the power supply voltage before use. A voltage
selector/fuse holder is provided on the left side of the A C
inlet socket, on the rear panel of the set. T h e line vol-
tage setting is indicated by a triangle mark above the fuse
holder. If the voltage is different from the power supply
in your area, set it correctly to prevent danger and mal-
functions. Be sure to check the voltage before connect-
ing the power plug to an A C outlet.
When converting the voltage, refer to the Maintenance
section.
2 . T h e C S - 5 1 4 0 should be installed at a place meeting the
following conditions:
1 Direct sunlight
2 High temperature and humidity.
3 Frequet mechanical vibration.
4 Strong magnetic rays or impulse voltage possibly
generated from equipment located nearby.
3 . Never apply more than the maximum rated voltage to the
oscilloscope input j a c k s .
A
C H 1 , C H 2 input j a c k s :
5 0 0 Vp-p or 2 5 0 V (DC + A C peak)
E X T T R I G , Z A X I S input j a c k s :
5 0 V (DC + A C peak)
Never apply external voltage to the oscilloscope output
terminals.
4 . Do not increase the intensity more than required.

PRECAUTIONS

Power cord and plug type
North American
120 volt/60 Hz
Rated 1 5 amp
(12 amp max; NEC)
Universal Europe
2 2 0 volt/50 Hz
Rated 16 amp
U.K.
2 4 0 volt/50 Hz
Rated 13 amp
Australian
2 4 0 volt/50 Hz
Rated 10 amp
North American
2 4 0 volt/60 Hz
Rated 1 5 amp
(12 amp max; NEC)
Switzerland
2 4 0 volt/50 Hz
Rated 10 amp
Fig. 1 Power Input Voltage Configuration
Factory installed
instrument fuse
1.2 A, 2 5 0 V
Fast blow
6 x 30 mm
0.8 A, 2 5 0 V
T.
lag
5 x 2 0 mm
0.8 A, 2 5 0 V
Fast blow
6 x 3 0 mm
0.8 A, 2 5 0 V
Fast blow
6 x 30 mm
0.8 A, 2 5 0 V
Fast blow
6 x 30 mm
0.8 A, 2 5 0 V
Fast blow
6 x 30 mm
5. Never allow a small spot of high brilliance to remain on
the screen for extended periods of time.
6. Never cover the ventilating holes in the top of the
scope, as this will increase the temperature inside the
case thereby causing malfunction.
7. When removing the case, observe the maintenance in-
struction contained in this manual to prevent a safety
hazard because this instrument contains high voltage
circuits.
8. To protect against safety hazards a l w a y s ground the
instrument using the GND terminals on the panel.
9. When turning on and off the POWER s w i t c h repeated-
ly, keep an interval of about 5 seconds. Faster on and
off operation may cause malfunction to the instru-
ment.
1 0 . Do not use the provided P C - 3 1 Probe with other
measuring equipment because it incorporates a ter-
minal for R E A D O U T detection which might damage
the other equipment.
1 1 . For proper use of the calendar and clock display, be
sure to adjust the date and time correctly. (Refer to the
"Maintenance and A d j u s t m e n t " section.)
1 2 . The calendar and clock display are backed up by an in-
corporated battery. If the battery is nearly exhausted,
the date and time will be delayed. If this happens, the
incorporated battery must be replaced with a new one.
Please contact your dealer or Kenwood service agent
for assistance.
Line cord plug fuse
None
None
0.8 A
Type C
None
None
None
7

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