Instrument alarm
Intermittent alarm:
Special symbol »
« displayed on the right side of the display:
–
The instrument is not ready for operation.
Commission maintenance personnel or the Dräger Service Centre to
eliminate the error.
Activating the Info mode
In measuring mode, press the [OK] key for approx. 3 seconds.
–
If any warning or fault messages exist, the corresponding note or error codes
are displayed (see Technical Handbook). Press the [OK] key successively
for the next display. The peak values and the exposure values TWA and
STEV will be displayed.
–
If no key is pressed for 10 seconds, the instrument returns automatically to
measuring mode.
Calling the Info-Off mode
With the instrument switched off, press the [+] key for approx. 2 seconds.
The name of the gas, measuring unit, and measuring range limit value are
displayed for all channels.
Pressing the [+] key again exits the Info Off Mode (or via timeout).
Calling the Quick Menu
In measuring mode, press the [+] key three times.
–
If functions in the quick menu are activated using the PC software "Dräger
CC Vision", you can select these functions using the [+] key. If no functions
have been activated in the quick menu, the instrument remains in measuring
mode.
Possible functions:
1. Bump test
2. Fresh-gas adjustment
3. Delete peak values
Press the [OK] key to call the selected function.
Press the [+] key to cancel the active function and to switch to measuring
mode.
–
If no key is pressed for 60 seconds, the instrument returns automatically to
measuring mode.
1)
The fresh-gas adjustment / zero-point adjustment is not supported by the DrägerSensor DUAL
IR CO
, DrägerSensor IR CO
or the DrägerSensor XXS O
2
2
sensors can be made with the Dräger CC Vision PC software. A suitable zero gas free from
carbon dioxide and ozone (e.g. N
) must be used.
2
1)
. A zero-point adjustment of these
3
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