Type K J Thermometer
IV. Operation Instructions :
4.1
Press the I key to turn the thermometer On or OFF.
4.2 Connection the Thermocouples
For measurement, plug the thermocouple into the input connectors.
4.3 Selecting the Temperature Scale
When the meter was first power on, the default scale setting is set at Celsius (°C) scale. The user may change it to Fahrenheit (°F) by pressing “ °C/°F ” button and vice versa to Celsius.
4.4 Selecting the Thermocouple Type
By default, when the meter is powered on, it is
4.5 Data-Hold Operation
The user may hold the present reading and keep it on the display by pressing the “HOLD” button. When the held data is no longer needed, one may release the
When the meter is under Data Hold operation, the “REL”, 
and “ °C/°F ” button are disabled.
4.6 T1,T2,T1-T2 Display Control:
One may select T1,T2 or
pressing 
button. When T1 or T2 is select to show on the main display, the other temperature will be shown on the second display. When one select
4.7 Relative Operation for Main Display:
When one press the “REL” button, the meter will memorize the present reading and the difference between the new reading and the memorized data will be shown on the display. Press the “REL” button again to exit the Relative operation.