Tenmars TM-747, User Manual

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5.12 Change Display of T1-T2 vs. T1 & T2

Press to enable or disable T1 – T2 .
The value shown on the left shows the difference of
T1 – T2, and the one shown on the right is the T1
value which is measured presently.

Press and hold
for ≥ 2 seconds for the
position change of T1 and T2.
5.13 Change Display of of T3-T4 vs. T3 &
T4

Press to show the value of T3 - T4.
Again, press to disable the function.
The value shown on the left presents the difference
of T3-T4, the one shown on the right is the
temperature measured through T3 channel.

Press and hold for 2 seconds for the
position change of T4 and T3 on the right.