NSG 438
25
6 Operation
This section of the manual provides a guide through the numerous
operating possibilities of the NSG 438.
The operation, which is strictly logical and hierarchically arranged, is
therefore easy to remember. The display shows unmistakable information
about the parameters that have been set and the operating status of the
generator. Equally, the instrument refuses to accept any invalid entries.
It is recommended to carry out the examples directly on the instrument
(not forgetting to connect the earth cable!).
6.1. Switching on
Ensure the interlock terminators are plugged into the rear of the base
station or otherwise the interlock loop is complete.
Plug the pistol HV connector into the base station and tighten the screws.
Ascertain that the base station as well as the earth cable
for the pulse return path are solidly connected to the
fixed installation’s earth point.
There is a danger of electric shock if this is neglected!
Ensure the Emergency Power Off button is pulled out.
Press the Power On button. The green Power LED will light up.
Press the Interlock Reset button. The red Interlock LED will extinguish
and the red High Voltage LED blinks while the pistol runs its self-test and
calibration routine.
The instrument is ready for use immediately after self-test and calibration
procedures have been completed. High voltage generation is activated by
pressing and holding the trigger button. The active high voltage state is
indicated on the base station by a blinking red LED.
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