NEC 750C manual Back-Up Battery

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Replacing the bay cover

NOTE

The unit only operates when the battery cover lock is in the locked position.

Back-Up Battery

A low battery message appears when back-up battery power is depleted. Be sure to replace the back-up battery immediately as described next.

1.When you see the following message, the back-up bat- tery must be replaced.

Backup Battery Very Low

Save your data, turn off unit power, remove the stylus, and close the display panel.

2-12 Getting Familiar with Your MobilePro 750C

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Contents NEC MobilePro 750C User’s Guide Proprietary Notice and Liability Disclaimer Contents Troubleshooting Specifications Modem Commands Index Text Conventions Using this GuideEnter Quick Start Features OverviewAbout Quick Start Using Your MobilePro H/PC for the First TimeInstalling the Batteries Replace the main battery bay cover MobilePro Quick Setup Windows CE Services Desktop Software Installation MobilePro H/PC Software CD Installation Getting Familiar with Your MobilePro 750C WHAT’S in the BOX Introducing MobilePro FeaturesFront and side features Getting Familiar with Your MobilePro 750C Bottom view Opening the Display Panel Opening the display panel Using the StylusUsing the stylus Recharging the Main Battery Pack Battery Replacement Main Battery Opening the battery bay cover Back-Up Battery Getting Familiar with Your MobilePro 750C Releasing the Battery Cover Lock Use the stylus to remove the drained battery from the bay Battery Precautions Taking Care of the MobilePro Precautions Storage Requirements Clean or dust your system as follows Routine CleaningUsing the MobilePro Powering on and off the MobilePro Powering on and OFFContrast Making Display Panel AdjustmentsBacklight Adjusting the contrastApplication Shortcut Keys Assigning Application Shortcut Keys Default Application Shortcut KeysSettings dialog box Enabling the Display Linkage Switch Voice Recording PC Cards Using the Voice RecorderInserting PC Cards Verify that the PC card is fitted securely into position Compact Flash Cards Removing PC CardsInserting Compact Flash Cards Removing Compact Flash Cards Transferring Data Connecting the AC Adapter Connecting External DevicesConnecting the PC Connect Cable Connecting the PC Connect cable Connecting the VGA Cable Connecting the VGA cable Connecting the cable to the monitor Connecting the Internal ModemConnecting the telephone line Remote Access Service SetupUsing the MobilePro Upgrading ROM/RAM Printing Your DocumentsResetting the MobilePro Resetting the MobilePro Troubleshooting TroubleshootingTroubleshooting contd For further assistance, call Neccsd Support Services Specifications Baud rate 115.2 Kbps maximum 65 in. W x 5.43 in. D x 1.24/1.5 in. H Available Options AT Commands Modem CommandsAT Commands cont’d Modem Commands A-3 Modulation Values Registers Register Function Range Units DefaultNumeric Verbose Result CodesResult Codes cont’d Index FeaturesRAM ROM Battery Replacement FCC Part Page IC CS-03 FCC Part 15 Class B FCC Warning Declaration of Conformity