Motorola MC9090 Mobile Computer

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The Motorola MC9090 is a truly ruggedized mobile computer known to perform in almost any work environment. This article will provide valuable information on the everyday use of your device, technical specifications and simple fixes for common problems that you may be experiencing with your device.

Motorola MC9090 User Guide

Motorola MC9090 Technical Spec Sheet

General Information About the MC9090

Inserting the Main Battery

Before using your mobile computer, install a lithium-ion battery by sliding the battery into the device until you hear two audible clicks. When a battery is fully inserted into the device for the first time the mobile computer boots and powers on automatically.

The back up battery should also be fully charged before using the device. To accomplish this, place the unit in the cradle. A completely discharged back up battery will take up to 15 hours to fully charge. The mobile computers back up battery will automatically charge from the main battery after the first initial complete charge. The back up battery retains data in memory for at least 30 minutes when the main battery is removed, provided that the back up battery is fully charged.

Removing the Main Battery

Prior to removing the battery, press the red Power button to set the mobile computer to suspend mode. Press the two side main battery releases and the battery will partially eject from the device. Pause 3 to 4 seconds while the device performs battery removal shut down. Now press the secondary battery release, on top of the battery, and slide the battery out of the mobile computer.

Checking Battery Status

To check the main battery charge percentage in the mobile computer:

  • Windows CE; tap Start > Setting > Control Panel > Power icon to display the battery status window
  • Windows Mobile: tap Start > Settings > Systems tab > Power icon to display the power window

Charging Spare Batteries

Use the following accessories to charge spare batteries:

  • Single slot serial/USB cradle
  • Four slot spare battery charger
  • UBC adapter

To charge a spare battery for the MC9090:

  1. Ensure the accessory used to charge the spare battery is connected to the appropriate power source
  2. Insert the battery into the charging slot with charging contacts facing down and gently press down to ensure proper contact
  3. The battery will start to charge automatically and the amber charge LED on the accessory lights to show the charge status

Aligning the Screen

After inserting the battery the unit will automatically route to the align screen. To calibrate the screen so the cursor on the touch screen aligns with the top of the stylus, carefully press and briefly hold the tip of the stylus on the center of each target that appears on the screen and repeat until complete or press ESC to cancel. A screen re-calibration can be completed at any time by pressing the FUNC + ESC keys on the keypad and the calibration screen application will re-launch.

Need Immediate Assistance?

Call 1-877-2700

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