Sirius Satellite Radio 4 - Manual (Page 8)

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Warning and Safety Information
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operating Temperature
The SIRIUS Sportster is designed to operate between -20° to +85° C (-4° to +185° F). Avoid
leaving the unit in a vehicle or elsewhere where the temperature may fall outside this range.
Extreme temperatures or extreme temperature fluctuations can degrade the performance of
the LCD display screen, and possibly damage it.
Cleaning and maintenance
If the SIRIUS Sportster becomes dirty, turn the power off and wipe it clean with a soft cloth.
Do not use hard cloths, strong cleaning fluids, paint thinner, alcohol, or other volatile solvents
to clean. These may cause damage to the unit.