Operating Manual: U LT:25 -86
˚
C Ultra Low Temperature Portable Freezer
7
Control Panel
A. Seven-Segment display
— Shows all numerical displays; default display is chamber temperature.
B. On/Off button and LED
— Turns freezer on and off and shows state.
C. Set T button and Set T LED
— This must be pressed to adjust the Set Temperature.
D. / buttons
— Used to adjust Set Point Temperature (when the display shows S ##)
E. Error LED
— Indicates when there is an electrical, mechanical or
similar error condition.
F. Over T LED
— Indicates when the chamber is over/under the set point.
— The audible beeper can be set to delay warning.
G. Locked LED
— Indicates when the panel is locked.
H. Temperature Preset buttons
E
C
B
D
F
A
G
ULT:25 FEATURES
H
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