,QVWUXFWLRQVIRUXVH_ REGARD
®
3900
Contents
Operation
Display screen
Display screen scrolling
Gas type or measuring range
Over range
Under range
Maintenance
Alarm, fault and activity LEDs
Power and inhibit LEDs
Internal acoustic alarm sounder
External warning devices
Control buttons (and remote acknowledgement)
LED and display test
Fault elimination and messages
General
Fault with the Polytron remote sensor transmitter
Maintenance
Configuration and calibration of the control unit
Configuration and calibration of a REGARD® 3920 controller
General
Main menu
Information menu
Calibration menu
Settings menu
Channel menu
Relay menu
Disposal
Technical data
Order list
Declaration of Conformity