Commissioning Mobile Computer MC 92N0exType 17-A1A.-………… and Type B7-A2A.-…………Subject to technical changes.04/20135.4.2 Change keypadThe MC92N0ex has interchangeable modular keypads.DangerNon-certified accessories endanger explosion protection.There is a risk of fatal injury in an explosive atmosphere! It must be ensured that only original keypads are used in safety-oriented operation. The use of imitation keypads from other manufacturers will render the type ofignition protection ineffective and there will then be a risk of fire or explosion.Only permitted outside the potentially explosive atmosphere: The keypad may only be changed outside the hazardous area! Follow proper ESD precautions to avoid damaging the SD card. Proper ESDprecautions include, but are not limited to, working on an ESD mat and ensuringthat the operator is property grounded.ATTENTIONIncorrect handling may cause damage to property! Power off the MC92N0ex before start of change parts. Put the MC92N0ex into suspend mode before you remove the battery. Failure toproperly remove the battery may cause the MC92N0ex to cold boot and potentialloss of data.If the MC92N0 ex is in suspend mode, press the Power button to wake the device. Wait forthe MC92N0ex to fully awake from suspend mode.1. Turn off the MC92N0ex2. Remove the battery. (see chapter 5.4.1 Insert/Remove battery)3. Take out the screws at the top edge of the keypad.Figure: Removing the keypad