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Function key
— This function is used to set the function which is to be activated when the function
key (the »
« key) is pressed briefly.
Default setting: Fault report.
Select the menu items » Settings «, » Instrument « and » Function key « in this or-
der, pressing the »
« key after each selection.
OK
Select the desired function and press the »
sponding to the selected function appear on the right side of the display. Possible
selections:
Show graph – the measured values are displayed on a time axis,
see page 38
Fault report – existing faults are displayed in clear text, see page 36
Notice
– existing warnings are displayed in clear text, see page 36
report
Fault codes – existing fault codes are displayed in a numerical table,
see page 36
— In measuring mode, briefly pressing the »
selected function.
Initialise device
This function resets all parameters of the Polytron 7500 to the factory default set-
tings.
This affects the following parameters:
— Sensor lock.
— Gas selection (if the sensor is suitable for measuring several different gases).
— Units in the measured value display (normally ppm).
— Measuring range for the 4 to 20 mA interface.
— Gas configuration of the calibration gas (if the sensor is suitable for calibration
with a replacement gas).
— Calibration interval. (the sensor-specific default values can be found in the
related sensor data sheet).
It also affects the setting parameters for:
— Pump output
— Alarm parameters
— Passwords
— Language
— Function key
— HART interface
— Datalogger
— Analogue interface
Select the menu items » Settings «, » Instrument « and » Device init. « in this order,
pressing the »
« key after each selection.
OK
Select » Confirm « and press the »
9023927 - 2nd edition - May 2007
« key to activate it. An icon corre-
OK
« key will now activate the
« key to initialise the device.
OK
The menu » Settings «
Page 49 of 72 Pages
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