7
update temperature read. Press
key again to
unfreeze.
When the HOLD function is enable, all function keys
was useless except for power key.
z
Deducting Relative Reading Function (REL):
User can press
key to show deducting relative
reading. This function provides display becomes”0”.
Save the previous reading as the standard relative
reading.
For example:
If the reading display is 25
°C
, press
key to have
a reading of “0”
°C
. Save the reading of 25
°C
as the
standard relative reading, if the temperature up to
30
° C
, the display will be 30.0-25.0=5
° C
, if the
temperature down to 20
° C
the display will be
25.0-30.0= -5
°C
.
Press
key again to disable function.
The primary display showed current channel reading
of REL. The secondary display showed current
channel reading of real temperature.
If want to show another channel reading of REL.
Please press and hold
key to swap T1 with T2.
(TM-82N/84N)