Dräger Polytron 7000 Instructions For Use Manual page 77

for the sensor) are used by the transmitter if the sensor-lock function
(page 77) is disabled.
Autocalibration setting
— This function is used to enable and disable the autocalibration (page 60).
Select the menu items » Settings «, » Sensor « and » Set autocal. « in this

order, pressing the »
Select » Enable « or » Disable « and press the »

— Autocalibration from the menu "Calibration" can be used only if this function
is enabled.
Sensor test
This group contains the setting functions for the sensor selftest.
These functions can be used only if the Polytron 7000 transmitter is equipped
with the Sensor Dongle 83 17 619 or the Sensor Diagnostic Dongle
83 17 860, see page 30.
– Sensor test setting
— This function can be used to activate or reactivate the sensor selftest.
Select the menu items « Settings «, « Sensor « and « Set sensor test « in

this order, pressing the »
Use the » « and »

press the » « key to activate.
OK
— If the sensor selftest is enabled, the transmitter continually tests the sensor
in order to ensure reliable operation. If the sensor does not pass the selft-
est, a suitable warning or fault is generated.
– Sensor self-test
— This function is used to start the sensor self-test.
Select the menu items « Settings «, « Sensor «, » ECXX « and « Sensor

self-test «.
If a sensor self-test can be executed (depending on sensor or device sta-

tus): Use » « to select » Start sensor self-test «, then press »
M
ton to start.
— After a few seconds the result is indicated in the display.
To terminate the function:
Select » Back to menu « and press the »

– Sensor lock
— This function is used to enable or disable the sensor lock.
Select the menu items » Settings «, » Sensor « , « EC–O

lock « in this order, pressing the »
« key after each selection.
OK
« key after each selection.
OK
« keys to select « Enable « or « Disable « and
M
« key.
OK
« key after each selection.
OK
« key to activate.
OK
« but-
OK
« and » Sensor
2
The menu » Settings «
77