Amprobe TMD-53 Thermocouple-Thermometer - Manual (Page 13)

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the difference between the two thermocouples (T1-T2),
when the thermometer is turned on, it is set to T1.
“K/J” Main display Input Thermocouple Type
Select
The “K/J” key selects the T1 thermocouple type, when
the main display is showing T1. When the thermometer
is turned on, it is set to the type selected when the
thermometer was last turned off.
“MAX/MIN” With Time Record Mode
(only Main display)
Press “MAX/MIN” key to enter the MAX MIN Recording
mode, (displays the Maximum reading with time,
Minimum reading with time and Average reading stored
in record mode). In the this mode the automatic power-
off feature is disabled and “ ” key, “°C/°F” key, “REL”
key, “SET” key, “Hi/Lo LIMITS” key and main display
“T1 T2 T1-T2” key, “K/J” key are disabled. The beeper
emits a tone when a new minimum or maximum value
is recorded.
Press “MAX/MIN” key to cycle through the MAX, MIN
and AVG readings. If an overload is recorded, the
averaging function is stopped. In this mode, press the
“HOLD” key to stop the recording of readings, all values
are held, press again to restart recording.
To prevent accidental loss of MAX, MIN and AVG data,
this mode can only be cancelled by pressing and holding
the “MAX/MIN” key for 2 seconds. All recorded readings
are erased.
“REL” Relative Mode (only Main display)
Press the “REL” key to enter the relative mode, zero the
display, and store the displayed Reading as a reference
value. REL is shown on the display. Press “REL” key
again to exit the relative mode. The relative reference