Sigma SQM-160 manual Chapter Operation Introduction, Menu Selection

Chapter 2 Operation

2.0Introduction

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.

2.1Menu 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.

Rate A/s		Thickness kA			1		2
					3		4
					5		6
Zero					Crystal Status
	Open
		Time		Time SP
	Closed			Thk SP
Xtal Life	Shutter					Next	Prev	Clear	Program
				Final Thk
Control		Sigma		SQM-160			Configuration
		Σinstruments	Rate/Thickness Monitor

Press NEXT to	Press PREV then	Press
move thru the	NEXT to move	PROGRAM
Film menu	thru the	to access
	System menu	menus

2-1