Commissioning Mobile Computer MC 75Axex-NI and MC 75A6ex HF-NIType B7-A27.-…………22/58 Subject to technical changes.04/20155.1 Requirements in potentially explosive atmosphereMobile Computer1. The Mobile Computer may not be opened.2. Do not use, swap or replace any non-specified components.3. Do not retrofit any components to the internal plugs or slots.4. Protect the Mobile Computer from impact!5. Do not expose the Mobile Computer to caustic/aggressive liquids, vapours, mists!6. Avoid the impact of moisture outside the specifications.7. Avoid thermal impact outside the specified temperature range.8. Use the 16-pole data interface only outside the potentially explosive atmosphere andexclusively with the devices specified by the manufacturer!9. Use the headset connection only outside the potentially explosive atmosphere andexclusively with the devices specified by the manufacturer!Battery1. The battery may not be opened.2. Only charge the battery outside the potentially explosive atmosphere.3. Only use the battery for the purpose listed in this User Manual. Is only suitable forthe Mobile Computer MC 75Axex-NI (Type B7-A27.-…./……..).4. There is a danger of burning if used incorrectly. Do not expose the battery totemperatures of more than +50 °C (122 °F).5. Battery acid may escape from the cells and cause burning in the case of damage.6. Defective batteries must be disposed of immediately, whereby the provisions onbattery disposal applicable in the respective region must be observed.7. The battery may explode if it catches fire!8. Do not short circuit the battery!Accessories1. Only install or replace accessories outside the potentially explosive atmosphere.2. Use accessories exclusively which have been tested or certified by BARTEC for thispurpose.3. The end user can replace the Micro SD card, SIM card or SAM card (only forMC 75A6ex HF-NI) himself.4. The end user cannot replace the keypad himself. The devices are adjusted to theselected keypad version.