sewerin EX-TEC PM 4, Руководство по эксплуатации

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5
2 Features
2 Features
The EX-TEC PM 4 is available in two models (see Section 8.1):
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Diffusion device: basic device without a pump
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Pump device: basic device with an integrated pump
(designation on back of device: P )
The EX-TEC PM 4 is suitable for the following applications:
– House
– Enclosed spaces
– Warning %LEL
– Measuring vol%
2.1 Visual signals and audible signals
The device features two signalling mechanisms:
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Red alarm light on top of the device
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Buzzer on the front of the device
Note:
These signalling mechanisms cannot be switched
off.
An audible signal is emitted each time a key is pressed:
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Very long signal On error message
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Long signal When switching device off,
When changing menus
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Short signal When switching device on,
When confirming a selection,
When navigating within a men u