MAN2285-9
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4.19
Device type
Device information tab
This function is for display purposes only. It shows any special designation for the unit, which will normally be
FastSense 25.
4.20
Firmware version
Device information tab
This function is for display purposes only. It shows the version number of the fitted firmware chip.
4.21
Run-time hours
Device information tab
This function is for display purposes only. It shows the cumulative total number of hours that the device has run
(NB: this is not the time that has elapsed since last power-up, but the sum total of run time since the detector
memory was last reset).
4.22
Watchdog count
Device information tab
The watchdog is a circuit built into the controller that restarts the controller in the event of a failure to function
properly. This could be as a result of electrical spikes. This count shows the number of interruptions found. The
details of each problem can be found in the event log. See Section 9, “Event log” for further details.
4.23
Device text
Device information tab
This function has no current use on the FastSense 25 but is reserved for future expansion purposes.
4.24
Reference detector
Referencing tab
A FastSense 25 detector may use another detector as a fresh air reference. This function is the address of the
detector which will be used as the reference. To set a detector as a reference detector, enter its address as set
by its internal DIP switch into this function. This function is disabled by default.
4.25
Reference enable
Referencing tab
Ticking this box enables the reference for the detector, if one has previously been allocated in Reference
detector (see section 4.24) This function is disabled by default.
4.26
Reference level
Referencing tab
The value set with this function is the percentage referen
ce signal subtracted from the detector’s signal, if a
reference device has been allocated. The default value is 0.
4.27
Reference back-off
Referencing tab
This value is the delay time between a build up of pollution being seen by the reference (if used) and the
pollution being seen by the detector. The default value is 15.
4.28
Flow rate
Flow monitoring tab
