Vacuum Pump System SC 920G
Operating vacuum pump system
Translation of original Operating Instructions, English, KNF 121308-121311 07/18
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8.1.3. Changing batteries on the hand terminal
CAUTION
ESD-sensitive devices (ESDS)
The nonobservance of the ESD-protection
specifications under the IEC 61340-5-1 can lead to a
partly or total defect of the hand terminal.
Only handle the hand terminal at an ESD-
protected area (EPA) by a qualified person
under the IEC 61340-5-1 directive.
1. Loosen the four screws on the underside of the hand terminal.
2. Remove the rear cover plate.
3. Replace the batteries.
Refer to chapter 4.2, page 10, for required battery specifica-
tions.
Never use new and used batteries together. Batteries must
always be replaced all at the same time.
4. Re-install cover plate.
5. Dispose of batteries according to regulations.
