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General information
Service
You have bought a modern FHF product subject to meticulous quality control. If any
questions regarding the telephone, or malfunctions should occur – even after the guarantee
has expired – please contact FHF. Please have the type denomination and product number
(to be found on the nameplate) ready.
Care and maintenance
The telephone is maintenance-free. Still, if the operating area is highly contaminated by dust,
fat, oil etc., the device should be cleaned from time to time. Use a moist cloth to dust off the
handset and the device.
Warning! Never use sharp objects for cleaning. Do not use other polishing or abrasive
substances.
Warnings and security information
This device is a weatherproof telephone especially designed for use in rugged industrial
environments. Please note the following warnings and security information:
1. The telephone is a Insulation Class II device and may only be connected to and
operated at the voltage it was designed for. Make sure the connections are in perfect
order. The connecting cable must be laid in a manner not to cause a tripping hazard.
2. The telephone may only be operated at the given ambient conditions (see also under
“Technical data”). Adverse ambient conditions, as for instance too high or too low
ambient temperatures are not allowed, due to increased risk of an electronic parts
breakdown.
3. Make sure the telephone, the connecting cable, etc. are not damaged. If the telephone
is damaged, it may not be operated.
4. While the telephone is in operation please follow all relevant legal and professional
regulations, the accident prevention regulations of the Employers' Liability Insurance
Association, and laws and regulations governing the use and connection of electric
devices.
5. In case of repairs, use only original spare parts. Replace such parts according to
professional standards. Other spare parts may cause damage. The guarantee is
rendered invalid.
6. Before the telephone is repaired or replaced, it must be disconnected from the power
supply. If the maintenance or repair of a live device cannot be avoided, this must be
done by authorised personnel only.
7. Do not damage the covers keeping the housing tight when mounting or demounting the
device.
8. Take into consideration the required operating positions.
9. Magnetic fields with technical energy frequencies may cause an insignificant reduction
in listening quality.
10. This product is subject to technical improvements without prior notice.
