REED INSTRUMENTS KIRAY 50 Manuel D'instructions page 12

Adjusting Emissivity
The instrument's emissivity can be adjusted from 0.01 to 1.0 to meet the
type of surface being measured. Refer to the Emissivity Chart for refer-
ence. Press the SET button three times to enter the emissivity setup. Press
the button to toggle between emissivity preset values as indicated by
P1-P5. Use the UP and DOWN buttons to set the emissivity values. Press
the UP and DOWN buttons to add or subtract 0.01 unit and/or hold the
UP and DOWN buttons to add or subtract 0.1. The instrument will exit the
setup after 10 seconds of inactivity or if the trigger is pulled at any time.
Switching the Unit of Measure (°F/°C)
Press the SET button four times to enter unit of measure setup. Use the UP
and DOWN buttons to switch between °F and °C units. The instrument will exit
the setup after 10 seconds of inactivity or if the trigger is pulled at any time.
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