Operation
Marathon MM Rev. D7 Jul 2017 37
Control Panel: The control panel can be locked to avoid accidentally change of sensor
operating parameters. Once locked the control panel must be unlocked by
using the control panel as follows:
1. Control Panel is locked.
2. Press the <> button to enter Control Panel menu.
3. Press the following buttons consecutively: <▲> <▼>
4. Control Panel is unlocked.
Note that the control panel is locked by default in multidrop mode and can
also be unlocked through the DataTemp Multidrop Software or a
programming command.
7.3 Signal Processing
Activating and adjusting the parameters for the signal processing is accomplished either through the
DataTemp Multidrop Software, or the programming commands, or partially on the control panel.
7.3.1 Averaging
Averaging can be useful when an average temperature over a specific duration is desired, or when a
smoothing of fluctuating temperatures is required. The signal is smoothed depending on the defined
time basis. In other words, the output signal tracks the detector signal with significant time delay but
noise and short peaks are damped. Use a longer average time for more accurate damping behavior. The
average time is the amount of time the output signal needs to reach 90% magnitude of an object
temperature jump. The following figure illustrates an averaging output signal.
This function is set on the control panel, the software or by means of the programming command G.
Figure 14: Averaging
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