Fluke 5520A Operator's Manual page 121

The entered temperature will be cleared to 0 ° C (32 ° F) if you change
between tc and rtd, or change the type of thermocouple (except for a type B
thermocouple, which clears to 600 ° C). If this should occur, select
OUTPUT tc, the desired thermocouple TYPE, and then reenter the
temperature.
•
Out@TC terminal (Output at the front panel TC terminals) Displays the actual dc
voltage at the front panel TC terminals. This is a display only, not a softkey function.
•
TC MENUS (Thermocouple Menu) Shows submenus for thermocouple outputs.
• UNITS (Temperature Units) Selects °C or °F as the temperature unit.
•
REF SRC (Reference Source) Selects intrnl (Internal) or extrnl (External)
temperature reference source. Select intrnl when the selected thermocouple has
Note
Front Panel Operation
Setting the Output
nn104f.eps
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