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2.4 Grounding requirements
SHOCK HAZARD
The unit is grounded via the AC Input. It must be ensured that the correct mains lead with earth
pin is used. Correct grounding of your electrical system infrastructure according to national
standards must also be observed.
2.5 Environmental Requirements
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2.6 Observe the International Electrical Symbol Listed Below
Warning！Risk of electric shock.
Caution！Refer to this manual before using the instrument.
2.7 Cleaning
To clean this product uses a soft or slightly damp cloth.
BEFORE you clean the unit, switch the mains power off and disconnect the input lead.
・ Please do NOT use any organic solvent capable of changing the nature of the plastic
such as benzene or acetone.
・ Please ensure that no liquid is allowed to penetrate this product.
Indoor use.
Insulation Category I.
Pollution Degree 2.
Altitude up to 2000 meters
Relative Humidity 80% Max (non-condensing).
Ambient Temperature 0 to 40°C
The ideal operating temperature is 25°C ± 5°C
3302F Mainframe Operation Manual 5
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