Fluke 50D - Manual (Page 9)

50S & 50D
Controls
7
Controls
ON / OFF Turn the thermometer on or off.
F / C Switch between Fahrenheit ( o F) and Celsius ( o C).
HOLD Freeze or unfreeze the displayed readings. When
pressed during power-up, changes the
thermocouple type.
RECORD* Toggle Record mode on and off. (Stores MIN/MAX
readings.)
T1* Select the T1 thermocouple input. When pressed
during power-up, T1 changes the display
resolution.
T2* Select the T2 thermocouple input. When pressed
during power-up, selects Scan mode. (The display
continuously cycles between T1, T2, and T1-T2.)
T1-T2* Select the differential temperature measurement.
VIEW* Toggle the MIN/MAX readings stored in Record
mode on and off.
OFFSET* Optimize measurement accuracy for a
thermocouple at a particular temperature.
* Model 50D only.