General Operational Instructions; Switching The Instrument On; Power On Self-Test; Switching The Analyzer Off - LANDTEC GEM5000 Operating Manual

Page 54
GEM5000 gas analyzer

6 General Operational Instructions

6.1 Switching the instrument on

1) To switch on the analyzer, press and hold the 'On/Off' key. The LANDTEC logo will
display followed by the instrument warm up.
2) Following the instrument warm up, the 'Date and Time' screen is displayed if the
battery was completely ran down. Otherwise date and time must be updated from
LSGAM Software.
3) When complete select the soft-key to 'Exit' and the 'Power On Self-test' screen is
displayed followed by instrument status. Instrument status displays the instruments
service due date, serial number, options, service scheme and software version. Text
will also display stating 'Self-test complete'.
4) Select the soft-key 'Next' to move onto the next screen and the 'Technician Login'
screen is displayed.
5) Use the cursor keys to move through the list of ID's. Select either the required
'Technician ID' from the list followed by the soft-key 'Accept', or select 'Default"
followed by the soft-key 'Accept' to continue to the 'Main Gas Read Screen'.
Note: The selected technician ID is displayed at the top left corner of the
Main Gas Read Screen.

6.2 Power on self-test

When switched on, the read-out will perform a pre-determined self-test sequence.
During this time many of the analyzer's functions are tested, including:
 General operation
 Gas flow measurement
 Calibration
 Screen Backlight / Brightness
 Battery charge level
During the self-test the following information is also displayed:
 Manufacturer's service due date
 The last gas check date
 Software version programmed
 Date format
 Serial number
 Operating language
 Model specific features
Note: The self-test should only be done with the analyzer sampling fresh air.

6.3 Switching the analyzer off

1) To switch off the analyzer, press and hold the 'On/Off' key, at which point a clean
air purge will be carried out and the instrument will then switch off.
2) If for any reason the analyzer 'locks up' and will not switch off in this manner, press
LANDTEC
©
Copyright LANDTEC North America, Inc.
©
V1.13
5K-MNL-GEM5000
Page 55