Earthing; Checking Before Switching On - Philips GM 5605 Manual

Cathode ray oscilloscope
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12 Installation
B. EARTHING
Earth the instrument in accordance with the local safety regulations. This
may be done
- via the mains flex, if the apparatus has a 3-core mains flex provided with
a plug with rim-earthing contacts, or
- via one of the earthing sockets ("•=•") at the front of the apparatus.
Double earthing connections may cause hum and must be avoided.
C CHECKING BEFORE SWITCHING ON
- Check the setting of the mains voltage adapter (see section A).
- Check whether the apparatus has been properly earthed (see section B).
- Set knob "INTENSE to position "0".
- Connect the apparatus to the mains via the mains flex.
Fig. 2. If desired the apparatus can be tilted by means of the stand provided
on the bottom

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