Zehntner ZVR 6000, Инструкция по эксплуатации

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7 Maintenance and cleaning
7.1 Maintenance which can be carried out by the user
Only the following maintenance and cleaning work can be carried out by the user:
•
Outer cleaning of the device (see chapter 7.2)
•
Changing of the batteries (see chapter 7.3)
All other maintenance and repair work shall only be carried out by Zehntner
GmbH Testing Instruments or your authorized Zehntner agent, otherwise all
warranty is void.
7.2 Cleaning of the device
The ZVR 6000 does not need any special maintenance. The mirrors can be cleaned
with window cleaner and a soft cloth if needed.
For cleaning of the housing use a clean soft cloth. Use only soft cleaning agents.
Do not use strong acidic or alkaline liquids.
7.3 Changing of the batteries
After opening the battery case cover, the provided 4 AA batteries will be seen.
Empty batteries can be replaced either by commercially available new batteries or
by rechargeable batteries cell type AA. Remove the batteries from the battery
holder and insert the new ones according to the pole marking.
Never store the batteries inside the device if it will not be used for a longer
period or is exposed to direct sunlight for a longer time. Batteries have to be
recycled, respectively disposed separately from household garbage.
7.4 Comparison standards
Always handle the comparison standards with care and protect them from soiling
and scratches. They should be stored in the accessory drawer.
Never clean the comparison standards, as the values cannot be guaranteed
afterwards. In case of soiling they have to be replaced.
We recommend replacing the standards every 2 years.