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BÜCHI Vacuum Controller V-800/V-805
8.6.2 Possible interventions in the regulating
process (gradient mode)
Increase the system pressure or interrupt pressure drop in
the start phase ð [Pé]. The apparatus goes into the
hold mode and regulates further to the actual value. If
necessary, the apparatus is partially ventilated. [ESC] it
puts back into the RUN mode with the original set point.
[OK] puts it back into the RUN mode with the new set
point.
Holds program course ð [HOLD]. The apparatus changes
into the hold mode and regulates further to the actual
value.
[GO] sends the apparatus back into the RUN mode and
continues the program.
[SHOW] displays the hold program and the actual time
graphically.
[MAN] changes the apparatus into the manual mode.
8.6.3 Changing an existing program
(gradient mode)
Request the program to be changed from the memory (if
it is not already active) [MENU] ð [MEMORY] ð
[RECALL]. Use [OK] to confirm desired program number.
Choose editing mode [PROG] ð [EDIT]
Change desired value by overwriting as described in
preparing a new program (see 8.6.1).
After you have modified the program, store the program
(see 8.6.1).
8 Operation V-805