Turn off the modem speaker

turn on the mic from the setting by double clicking on speaker icon on notification area near to time. click on option and check the mic volume on.

Warning: This procedure will ERASE all user data stored on the MobilePro 900. Make sure you have backed up all data before doing the following. To hard reset your MobilePro 900, simply remove both the main and back up batteries for 60 seconds. For detailed instructions on performing a hard-reset: http://support.necsam.com/mobilesolutions/hardware/Handhelds/MobilePro900/819-201025-000.pdf

You can obtain them from the Apps and Driver CD that was shipped with the device or download them here: Windows XP USB: ftp://ftp.necsam.com/pub/MobilePro/900/WinXP_MP90-USB.exe Windows 2000 USB: ftp://ftp.necsam.com/pub/MobilePro/900/Win2k_MP90-USB.exe

The Ctrl-alt-del short cut to the Task Manager is not on the MobilePro 900. To bring up Task Manager on the MobilePro 900, hold the "Alt" key and then tap the task bar with the stylus simultaneously. A menu with "Task Manager" and "Properties" will be displayed, select Task Manager.

A cellular modem increases the current demand placed on the main battery shortening the battery life. To prolong the life of the battery and ensure reliable operation it is highly recommended that you use the either the Extended Life battery (NEC Part # OP-MP9-EXTBATT) or a mobile charger (NEC Part # OP-MP9-AUTOADP) while traveling between customer sites.

The modem door does not open beyond a 45 degree angle to the base unit. Damage to the modem door will occur if forced open beyond a 45 degree angle.Open the manual for additional details.

Devices running Windows CE 3.0 turn on at midnight to search for appointments for the coming day. Reminders are set and the Today view is updated with the day's events. The device is supposed to turn off after three minutes of inactivity. If a program is running the unit may not turn off because there is activity. The following applications are known to cause problems: * Windows Media player for Pocket PC. * Active Sync * Wireless LAN adaptors NEC has developed a registry patch that has been tested on the following LAN cards. Device Vendor Driver Cisco Aironet 340 Cisco 2.30.11 Cisco Aironet 350 Cisco 2.30.11 Linksys WPC11 Ver 3 Linksys 1.07.29 Orinoco Orinoco 1.02 3CRWE737A 3 Com 2.2.5.0 LA4137 Wireless Network Symbol N/A For additional information see Microsoft Knowledge Base Article – 263719 Click here to download the Power Management update utility. Installation procedure. Note: Anytime a “hard reset” is performed on the MobilePro 900 the Power Management update utility needs to be re-applied. 1. Download the Power Management update utility to local system. 2. Copy the Pwr_Mgt.exe file to the MobilePro 900 desktop. 3. Double tap the NEC Icon. 4. Click OK. 5. With power on momentary depress the “soft reset” on the bottom using the stylus. 6. Delete the NEC Icon on the desktop.

NEC has identified an issue where the system can erroneously generate the "Backup Battery Very Low" message. There are two possible solutions that will eliminate this erroneous low battery warning message (the first method is the preferred solution, the second method can be used if the update file is not available). Solution I. Install a new version of the driver that controls the battery monitoring circuit. 1. Download the Low battery warning fix to your desktop. 2. Using ActiveSync or a compact Flash Card, copy FixBatt_HPC2K.EXE to the MobilePro internal disk. 3. On the MobilePro, double click the FixBatt_HPC2K icon. 4. When the message "Low Backup Battery Issue" is displayed, tap the "Patch it" button 5. When prompted turn unit over and momentarily depress the Reset button using the stylus. Solution II. Change the default power management configuration. Configure your MobilePro 900 to suspend when the LCD lid is closed on battery power and AC power. To ensure that the device suspends whenever the lid is closed, please make the following changes and perform a soft reset: 1. Go to Control Panel. 2. Open MobilePro Settings. 3. Go to the LCD Suspend/Resume tab. 4. Place a check next to "Enable suspend while on External Power." 5. Click the "Advanced" button and place a check next to "Enable suspend while on External power. 6. Click OK to close the Advanced Setting window and click OK to close the MobilePro Settings. 7. Turn unit over and momentarily depress the Reset button using the stylus. NOTE: Both the software update and power management settings are cleared on a hard reset and must be re-applied.

The MobilePro 900 does not support 32 bit card bus devices.

There is an error in the MobilePro 900 manual (Pages 2-2 and 2-3). The jack on the front of the MobilePro 900 is a stereo headphone jack only. The MobilePro 900 has a built in microphone. There is no jack for attaching an external microphone.