Operation; Display Screen - Dräger REGARD 39 0 Series Instructions For Use Manual

Operation

6 Operation
6.1

Display screen

The display screen is a backlit LCD display with 20 characters and several rows,
which provides information on the gases monitored by the control unit. In the
normal gas value display, the screen shows four lines of text.
– Very low concentrations of ± 2% of the measuring range are displayed as zero
(this is referred to as a zero terminal).
– The contrast of the display field is adjustable. Contact a trained service
technician or Dräger if adjustment is necessary.
6.1.1 Display screen scrolling
The display field shows information from up to four channels at a time. If there are
more than four channels installed, the display scrolls to show all channels
sequentially.
1. Press Hold / II / ▲ for less than 1 second to freeze the display screen (stop
scrolling).
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REGARD 3900