8 - 2 TC56 User Guide for Android Version 6.0.1
Display Best Practices
Image Retention
Image retention may occur when a static image continuously displays for extended periods of time. A user may see
a faint remnant of the image even after a new image displays. To prevent image retention:
• set the display to turn off after a few minutes of idle time.
• rotate background images on a periodic basis.
• turn off the display when the device in not in use.
• use a screen saver with the following characteristics:
• background color set to black
• use a small moving image (approximately 2% of the display size).
• move the image randomly across the screen
• screen saver should be active as long as the static image is used.
Battery Safety Guidelines
• The area in which the units are charged should be clear of debris and combustible materials or chemicals.
Particular care should be taken where the device is charged in a non commercial environment.
• Follow battery usage, storage, and charging guidelines found in this guide.
• Improper battery use may result in a fire, explosion, or other hazard.
• To charge the mobile device battery, the battery and charger temperatures must be between +32ºF and
+104ºF (0ºC and +40ºC)
• Do not use incompatible batteries and chargers. Use of an incompatible battery or charger may present a risk
of fire, explosion, leakage, or other hazard. If you have any questions about the compatibility of a battery or a
charger, contact the Global Customer Support Center.
• For devices that utilize a USB port as a charging source, the device shall only be connected to products that
bear the USB-IF logo or have completed the USB-IF compliance program.
• To enable authentication of an approved battery, as required by IEEE1725 clause 10.2.1, all batteries will
carry a hologram. Do not fit any battery without checking it has the authentication hologram.
• Do not disassemble or open, crush, bend or deform, puncture, or shred.
• Severe impact from dropping any battery-operated device on a hard surface could cause the battery to
overheat.
• Do not short circuit a battery or allow metallic or conductive objects to contact the battery terminals.
• Do not modify or remanufacture, attempt to insert foreign objects into the battery, immerse or expose to water
or other liquids, or expose to fire, explosion, or other hazard.
• Do not leave or store the equipment in or near areas that might get very hot, such as in a parked vehicle or
near a radiator or other heat source. Do not place battery into a microwave oven or dryer.
• Battery usage by children should be supervised.
• Please follow local regulations to properly dispose of used re-chargeable batteries.
• Do not dispose of batteries in fire.
• In the event of a battery leak, do not allow the liquid to come in contact with the skin or eyes. If contact has
been made, wash the affected area with large amounts of water and seek medical advice.
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