V100 (2019-11)
Doc. Ref. XGC-320-100119
25
Setting Atmosphere (SET ATM)
Setting zero optimizes performance of the gauge when operating
at a low pressure range of 1.00×10
-4
Torr to 1.00×10
-3
Torr. If
your minimum operating pressure is higher than 1.00×10
-3
Torr,
it is not normally necessary to set zero and thus setting atmos-
phere should be adequate. If you are able to evacuate your sys-
tem to below 1.00×10
-4
Torr, it is always a good practice to
check and set zero if necessary. See "SET VAC" in section 4.3
Note -
Setting zero and atmosphere is normally required only
once during the initial setup and maybe checked by the user
periodically. After power has been applied to the gauge during
the initial setup, allow five minutes for the gauge to stabilize
(warm-up) before setting zero and atmosphere.
4.2
User Interface Basics
The user interface is designed for easy operation and a natural
progression of setup parameters. This section gives a brief ex-
planation of operation for added clarity.
Programming soft-keys