Crowcon T4 - Peak Mode

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2.8.4 Peak Mode
The peak mode function allows peak gas readings to be viewed at any time.
The peak mode function can also be utilised for pre-entry checks, where T4 is to be lowered into a
conned space.
X With the home screen displayed, double click the operator button to access the menu functions screen.
X Single click the operator button repeatedly to scroll right until the
menu icon is displayed and
then double click the operator button to select.
X The screen opposite will then be displayed showing the peak
readings for each gas.
X After a few seconds the clear countdown screen will be
displayed.
X If you wish to clear the peak levels recorded, press the operator
button once.
X If the operator button is not pressed the display will continue to
show the peak readings and the peaks will not be cleared.
Peak readings will continue to be shown until the user exits peak mode.
Peak mode can also be useful during pre-entry checking of a conned space. Peak mode can
be selected and T4 lowered into the area to be checked. When T4 is subsequently removed the
peak gas readings will be displayed on the screen. Any alarm can be cancelled and the display will
continue to indicate the peak gas reading.
To exit the peak mode function the operator button must be double clicked to return to the
menu screen and then double clicked again to return to the home screen.
i
Ensure that T4 is returned to the home screen after the peak function is no longer
required, this will ensure T4 is displaying current gas readings and not peak values.
i
Peak readings are cleared to clean air nominal values.
i
Peak readings are not monitored for the duration of a bump test or calibration.
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