LaMotte SMART Spectro Spectrophotometer - Manual (Page 22)

22 SMART Spectro Operator’s Manual 2.11
GENERAL OPERATING PROCEDURES
The operation of the SMART Spectro is controlled by a microprocessor. The
microprocessor is programmed with menu driven software. A menu is a list
of choices. This allows a selection of various tasks for the spectrophotometer
to perform, such as, scan blank, scan sample, and edit test sequences. The
keypad is used to make menu selections which are viewed in the display.
There are eight selections accessible from the MAIN MENU - CALIBRATE WL,
PROGRAMMED TESTS, %T/ABS, PC LINK, EDIT CLOCK, ENERGY MODE,
STORE METHOD, and TEST MODE.
 THE KEYPAD
The keypad has 6 buttons which are used to perform specifi c tasks.
ON This button is used to turn the spectrophotometer on.
This button will cause the display to scroll up in a list of menu
choices. It will move to the beginning of a list viewed in the display.
It will auto scroll when held down.
This button will cause the display to scroll down through a list of
menu choices. It will move to the end of a list viewed in the display.
It will auto scroll when held down.
*
ENTER
This button is used to select the menu choice adjacent to the “*” in
a menu viewed in the display.
EXIT This button is an EXIT or ESCAPE button. When pressed, the
display will EXIT from the current menu and go to the previous
menu.
OFF This button turns the spectrophotometer off.
 SAMPLE HOLDERS
The SMART Spectro Spectrophotometer is supplied with two removable sample
cell holders. Each holder is secured in the chamber with a single screw. The
square sample holder should be positioned so the arrow on the top is pointing
toward the left. The square sample holder will hold 10 mm square cuvettes. The
universal sample holder should be positioned with the V-channel toward the
right side of the chamber. The universal sample holder will hold round tubes of
varying diameters. When using the universal adapter, the tube should be placed
between the white roller on the spring-loaded arm and the v-channel on the
right-hand side of the adapter. Press the tube down on the white roller to retract
the arm.