Mitsubishi Electric E900T Installation Manual page 50

Very slight discoloration was noted under critical viewing conditions with the following
materials:
Tomato juice
Tomato ketchup
Lemon juice
Mustard
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Tactile embossed Autotex has been tested to 0.5 million switch operation at -40°C (-40°F)
without loss of function.
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Low moderate humidity: 85°C
High humidity (>90% RH): 40°C
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In common with all polyester based films Autotex is not suitable for use in conditions of
long term exposure to direct sunlight.
B-3