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6.4.3
Pushbutton Functions
6.4.3.1 Measurement Channel Selection
Press the pushbutton CH.
The instrument selects the next measurement channel. The display of Para for the
selected measurement channel will flash for 10 seconds.
Figure 13
–
Operating the pushbutton CHANNEL
6.4.3.2 Parameter Mode Selection
Press the pushbutton PARA and keep it depressed for approximately 2 seconds. The
instrument will change to the parameter mode (
Chapter 6.5 Parameter Mode,
page 26).
When not operating any pushbutton within 10 seconds, the instrument will then
automatically return to the measurement mode.
Figure 14
–
Operating the pushbutton PARA
6.4.3.3 Switching on the High Vacuum Measurement Circuit
The high vacuum measurement circuit of the following sensors can be switched on
manually: PENNINGVAC sensors PTR81N, PTR225, PTR225N, PTR225S, PTR225SN,
PTR237 and PTR237N. For this the sensor control must be set to HAnd (
Chapter 7.2.5
Sensor Switch-on Type (S-on), page 31).
Keep the key marked CH pressed so as to select the respective measurement channel.
Keep the key marked UP pressed for approximately two seconds.
The sensor for the selected measurement channel is switched on. Either the
measured value or a status message will be displayed.
Figure 15
–
Operating the pushbutton UP