Operating Modes - Gilson VERITY 1741 User Manual

Operating Modes

The detector may be in different operating modes depending on the desired operation. The
detector enters some modes by command of the operator or control computer, others are invoked
automatically to perform a sequence of different operations.
MODE
ABBREVIATION
START
---
IDLE
IDD
LAMPS IGNITION
LPI
AUTOZERO
AZR
MEASURE ABSORBANCE
ABS
SCAN
SCN
After the detector starts, (START mode) the display
shows the detector type.
next, the detector is in IDlE (IDD) mode, where the
lamps are off.
After pressing the LAMp key, the light sources turn
on and the detector is in lAMPS IGnITIon (lPI)
mode, which is indicated by the flashing lamp
symbol and the illuminated, green, lAMP status lED
light to the left and next to the display.
DESCRIPTION
Transient state after power up. This is the initial detector initialization.
Mode when light sources are off. Operational parameters can be preset
and tasks performed for which it is not necessary to have the light source
switched on. The instrument waits for the light source initialization
command.
Mode when light sources change. Used when turning on (LAMPS IGNITION).
No settings or commands are available in this mode. The mode can be
interrupted by pressing the LAMP key.
Mode in which the detector prepares the analog circuits of the instrument
for absorbance measurement and resets the output signal. No settings or
commands are available and this mode cannot be interrupted.
Mode during absorbance measurement. Most commands are accessible.
Mode during measurement of intensity (INTENSITY) or energy (ENERGY)
scan. No settings or commands are available and this mode cannot be
interrupted.
FRonT PAnEl conTRol | USER'S GUIDE 39