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Chapter 2 Operation
2-1
2.0 Introduction
This section details the operation of the SQM-160 menus and front panel controls. It is
arranged by common user tasks.
Note: User actions with front panel controls are indicated by a Box. Results shown on
displays, are indicated by a Dashed Box.
2.1 Menu Selection
Two menus provide control of the SQM-160 programming. The Film Parameters Menu
allows you to customize each of the nine stored films. The System Parameters Menu
sets values that remain constant for all films.
Note: If Crystal Life is shown on the SQM-160 displays, press the Xtal Life switch to
return the displays to rate/thickness or frequency display.
The Configuration Section of the SQM-160 front panel contains four switches used to
access the program menus. Within the program menus, the Control Knob is also used
to adjust values and select menu choices. In program mode, Display 1 shows the
parameter to be changed. Display 2 shows the selected parameter’s value.
To enter the Film Parameters Menu, press the Program switch. The SQM-160 displays
the currently active film. Turn the control knob to select a different film, then press Next
to display the first parameter for the selected film.
To enter the System Parameters Menu, press the Program switch. Then press Prev to
display the first system parameter.
Control
Configuration
Crystal Status
Rate A/s Thickness kA
Time
Sigma
instruments
Σ
SQM-160
Rate/Thickness Monitor
Zero
Next
Prev
Clear
Program
Xtal Life
Clear
Shutter
Open
Closed
Time SP
Thk SP
Final Thk
1
3
5
2
4
6
Press NEXT to
move thru the
Film menu
Press PREV then
NEXT to move
thru the
System menu
Press
PROGRAM
to access
menus