LabRepCo 21641 Owner's manual - | 18
P a g e
| 18
CODE
DESCRIPTION
FACTORY SETTING
SET
Temp set point (compressor off point)
3°C or 38°F (refrigerator)
-24°C or -12°F (freezer)
Hy
Temp differential between compressor
start and off point
3°C or 5°F (NOT
RECOMMENDED TO
CHANGE)
ALL
Low temp alarm point
1°C or 34°F (refrigerator)
-28°C or -18°F (freezer)
ALU
High temp alarm point
10°C or 50°F (refrigerator)
-15°C or 5°F (freezer)
Lod
Screen display choice (air or sample probe) P3
CF
Celsius & Fahrenheit unit change
O3
Sample (display) probe calibration / offset
0
OT
Air (control) probe calibration / offset
0
US
The maximum limit that SET or ALU could
reach
10°C or 50°F (refrigerator)
-10°C or 14°F (freezer)
LS
The minimum limit that SET or ALL could
reach
1°C or 34°F (refrigerator)
-30°C or -22°F (freezer)
Change the set point (compressor turn-off point)
Press and hold [SET] until °C or °F icon blinking. Press [UP] or [DOWN] to change the
setting value. Then, press [SET] once to confirm the new setting.
Change the other settings
Press and hold both [SET] and [DOWN] at the same time until “Hy” appears on the
display.
Press [UP] or [DOWN] to scroll different settings. Press [SET] to enter the setting.
Press [UP] or [DOWN] to change value. Press [SET] once to confirm the new setting.
The display will show the next setting.
At any setting, press and hold both [SET] and [UP] to exit out the setting mode, or
simply leave the display alone for 10 seconds.
Change the readout from °C to °F, or °F to °C
Press and hold the [LIGHT] icon button for 5 seconds. The controller will restart and
change the display scale from °C to °F, or °F to °C.