Manual
14
AL1
To adjust the AL1 threshold level, press the “Mode” key until “AL1” appears on the display and press
“Enter” to confirm. Now you can switch between the available options by pressing the “Mode” key. The
following options are available: 0.5 %, 1 %, 1.5 %, 2 %.
Select the desired option and press the “Enter” key to confirm.
AL2
To adjust the AL2 threshold level, press the “Mode” key until “AL2” appears on the display and press
“Enter” to confirm. Now you can switch between the available options by pressing the “Mode” key. The
following options are available: 1.5 %, 2 %, 2.5 %, 3 %, 3.5 %, 4 %.
Select the desired option and press the “Enter” key to confirm.
6 Maintenance
6.1 Repair, cleaning and maintenance
Repairing
Do not try to repair the gas detector on your own and do not manipulate the circuits. If the device is
broken, please send it back to PCE Instruments. Our trained personnel will repair the device, if possible,
and send it back to you.
Behaviour in case of CO
2
leakage
If the remote display unit shows “ESC”, you should take proper safety actions before entering the
monitored room where the sensor unit is located. Check the ventilation of the room and find out if there is
a CO
2
leakage while using proper safety equipment.
