INFICON XTM/2 Thin Film Deposition Monitor - Manual (Page 38)

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XTM/2 Operating Manual
8— PROGRAM MODE GROUP
Indicator annunciator and cursor array for the definition of parameters.
9— FILM GROUP
Indicates which stored film’s parameters are being used in the operate
mode, or being changed/programmed in the program mode. The active film
may be changed when the cursor is blinking.
10— COMMUNICATIONS ACTIVITY GROUP
Illuminates whenever computer communications are being sent or
received, respectively.
11— CRYSTAL FAIL INDICATOR
Illuminates whenever the ModeLock system cannot drive a crystal, or a
crystal has been shifted by loading beyond 5 MHz. May also illuminate
when there is a cable or sensor failure.