Switching On The Gas Detector; Switching Off The Gas Detector - Dräger HFG 000 Series Technical Manual

4.4.2

Switching on the gas detector

1. Hold down the OK button for approx. 3 s.
 The display shows a countdown.
 The switch-on sequence and the warm-up phase of the sensors start.
The following display appear one after the other:
– Start screen
– Software version
– Display test (the display alternates between black and white)
– Alarm element test (LEDs, alarm signal and vibration alarm)
– Customer-specific information screen (optional)
– Alarm thresholds, STEL, TWA (if configured) and LEL factor (if available)
– Any expired bump test or calibration interval as well as early warnings (if
configured)
– Measured value display
After the wizard is complete, a customer-specific information screen (optional and
configurable with the Dräger CC-Vision PC software) and the measured value
display appear. The remaining sensor warm-up time is displayed in the upper, left-
hand corner in a yellow box.
WARNING
Incorrect device feature/settings!
Incorrect device features/settings may result in danger to life and/or risk of
explosion.
► Before every use, check whether the display elements, the alarm features and
information are displayed correctly. If one of the items listed above does not
feature correctly or is incorrect, do not use the gas detector and have it
inspected.
The following features are active during the sensor warm-up phase:
– The measured values flash
– The yellow LED is illuminated
– A warning notice is displayed
 The gas detector is ready to measure when the measured values no longer flash
and the yellow LED is no longer illuminated. The warning notice may continue to
be displayed if there are warnings pending. To display the warnings, refer to the
technical manual.
No alarms are issued during the warm-up phase!
4.4.3

Switching off the gas detector

1. Hold down ▲ and ▼ simultaneously until the displayed countdown expires.
 The visual, acoustic and vibration alarms activate briefly.
 The gas detector is switched off.
Or
1. Select
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Technical manual X-am® 3500/8000
in measuring mode and confirm the dialog.
Operation
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