Delta DPM-C320 Operation Manual page 11

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Maintenance and Inspection Notes
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1_
While cleaning the equipment, be sure to unplug all external power sources first. Use

a dry cloth to clean the equipment's exterior. DO NOT open the equipment or touch
the wiring inside to prevent personal injury as well as damage to electrical equipment
or other property. DO NOT use aerosol sprays, solvents, or abrasives.
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