Clearing Instruction - AD Instruments AD2821A Manual De Operación

AD2821A OPERATION MANUAL
please take out the battery.
l Close the bottom cover. The degraded battery must be
disposed of properly.

3.4 Clearing Instruction

To clean the instrument, use a soft cloth slightly dipped in
water. Do not spray cleanser directly onto the instrument,
since it may leak into the cabinet and cause damage. Do
not use chemicals containing benzine, alcohol or aromatic
hydrocarbons.
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