EM1230
Handheld Digital Oscilloscope
User
,
s Manual
28
Chapter
Maintenance and repair
Cleaning the Instrument
Check often the Instrument and probe according to the operation conditions. To
clean the surface of the Instrument, do the following:
1 Clean dusts on the surface of the Instrument and probe with fluffy cloth. Do
avoid abrasion on the transparent plastic of the display filter netting.
2 Clean the meter with a damp soft cloth. And also can use water liquor
containing 75% cymene and alcohol to get better cleaning effect.
Carefully.
Do not use any erosive or chemic cleanout lotion,to avoid damaging theInstrument
or probe
Storing the Instrument
Please do not store or placed the Instrument in the place where has intense
electromagnetic effect or exposes long-time to the sun.
The Instrument’s long-term store, which means six months since packaged, should
not be over two years. If storing time is over six months, theInstrument should be
took out from the package box, and repackaged to store after checking out with
power on
To charge the lithium battery
The new Instrument is not fully charged when delivered to users. The new
batteries must be charged and discharged completely two or three times, can get to
a optimal performance.
Be sure to use the accessories about power adapter / charger to charge the
Instrument. A fully charge for the Instrument needs 2-3 hours with power off, and
charge speed will be decrease with power on.
The battery can be charged or discharged hundreds times, and invalidate at last. It
needs to buy a new battery when the battery’s work time shortens obviously.
