EGM-5 Operation Manual V. 1.04 26 support@ppsystems.com
• USB Flash Drive – You must make sure that you have a USB flash drive (memory stick) plugged
in for data storage. If you do not have this you will be unable to save data, and it will have to
be recorded manually.
• Status Box – Inspect periodically for error messages/warnings.
Touch Display Overview
The flowchart on the following page describes an overview of the touch display for the EGM-5. When the
instrument is first powered up, there is a brief period where the Splash screen is shown. After this time,
the instrument goes into the warm-up period which is approximately 10-15 minutes and the Measure
screen is displayed. During and after the warm-up period, the user has the ability to navigate through the
menus as shown in the flowchart below. The following sections describe each screen and its functionality.
Heartbeat and Display Update Rate:
The flashing heartbeat ♥ icon is updated each time the display is updated (whether the CO
2
or other
values change or not). Normally the display is updated every 1 second. However, in extended mode the
display is updated every 5 seconds (even though data is still being output and recorded every 1 second).
The extended mode saves power and prevents display ghosting. Extended mode begins approximately
30 seconds after the last keypress is made on any measurement screen. Return to normal 1 second
update rate will occur when:
• Any screen button is pressed
• The heartbeat icon is pressed
• Any new CO2 reading is more than 10% changed from the previous CO2 reading.
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