UEi Test Instruments DT222 - Manual (Page 5)

3
Press “MODE” to change operation mode T1, T1-T2
or REL. The corresponding reading will display on the
primary LCD. The secondary LCD will always display T2
reading in differiential (DT222). It will display the initial
value when using “REL” mode.
Press and hold “PWR” to turn on the meter or
press it to turn off the meter. The meter will turn off
automatically after 60 minutes if you don’t press any
key. Press “HOLD” and “PWR” buttons to disable
Auto sleep mode. (see page 4)
Press “MAX/MIN” to change operation mode
from measured temperatue -> Max.-> Min.-> Avg. ->
back to live date. The corresponding value will display
on primary LCD. The corresponding value is calculated
since powered on or reset.
Press and hold to change thermocouple type.
J-Type-Black Molded Connector
K-Type-Yellow Molded Connector
Press to activate backlight
MODE
BKLT
SET
PWR
MAX
MIN