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1. Application
The Ex-TRA 300 headsets are intended for industrial application in areas with
an increased risk of explosion in zone 1 in accordance with directive 1999/92/
EC (ATEX 137).
2. Safety information
These safety instructions contain information and safety regulations which
are to be observed without fail for safe operation in the described conditions.
Non-observance of this information and these instructions can have serious
consequences or it may violate regulations.
Please read these safety instructions carefully before starting to use the unit!
In case of any doubt (in the form of translation or printing errors) the German
language safety instructions shall apply.
3. Faults and damage
If there is any reason to suspect that the safety of the unit has been impaired,
it must be withdrawn from use and removed immediately from the Ex-area.
Measures must be taken to prevent it from being restarted accidentally.
We recommend that the unit is returned to the manufacturer for inspection.
The safety of the device may be compromised, if, for example:
- there is visible damage to the housing.
- the unit has been subjected to excessive loads.
- the unit has been improperly stored.
- the unit has been damaged in transit.
- unit markings or inscriptions are illegible.
- malfunctions occur.
- permitted limit values have been exceeded.
4. Safety regulations
Use of this unit assumes that the operator observes the conventional safety
regulations and has read the certificate in order to eliminate faulty operation of
the unit.
The following safety regulations must also be observed:
- The device should only be operated with approved radio equipment.
- The device may not be opened inside the Ex-area.
- If the anti-electrostatic charge coating on the ear protection headset is signi-
ficantly damaged (continuous area of > 2 cm2), the device is to be withdrawn
from use.
- If the device has been damaged as a result of an impact or a fall, it is to be
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