GEM5000 Gas Analyzer
Page 23 of 102
7.2 Operation settings
To access the ‘Operation settings’ menu, select the ‘Menu’ key on the front of the analyzer.
The following menu is displayed:
7.2.1 Timers
The timers function enables the operator to set standard purge times and
set auto-power off if the unit is untouched for the period of time specified.
1) Select ‘Key 1 – Timers’ and the following screen is displayed:
1) Select ‘Key 1’ to edit the purge time. Enter the ‘Pump Running Time’ in seconds;
this is the length of time you wish to run the pump to draw the sample, e.g. key in
030 then press the ‘Enter’ key to accept.
2) Select ‘Key 2’ to edit the auto power off time. Enter the ‘Auto power off’ in
minutes; the instrument will automatically power off to preserve the battery life
after the specified time if no activity has occurred on the instrument. Press the
‘Enter’ key to accept.
3) Select the soft-key ‘Exit’ key to exit the screen and return to the ‘Operation
settings’ menu.
Note: Setting the purge time and auto power off functions to zero, disables the
option. It is not recommended to reduce the purge time to below 30
seconds.
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