5
APO function mode
Press “ ” power key for more than 6 seconds to disable
the auto-power function. The display will show “APO
OFF”.
“ °C/°F ” Selecting the Temperature Scale
Readings are displayed in either degrees Celsius(°C) or
degrees Fahrenheit(°F). When the thermometer is turned
on, it is set to the temperature scale that was in use
when the thermometer was last turned off. To change
the temperature scale, press the “°C/°F” key
“
” Display Back-Light
Press the “ ” key to turn on or turn off the Back-Light.
“T1 T2/T1-T2” Main display Input Selection
The input selection indicates which input is selected
for main display; T1 probe, T2 probe or the difference
between the two probes (T1-T2). When the thermometer
is turned on, it is set to T1, when main display input
selected T1, then T1 input can select alternate of probe
by pressing Pt385/Pt3926/Pt3916 key switch.
“TYPE”(Pt385/Pt3926/Pt3916) Main display Input
RTD Probe Select
The “TYPE” key switches the T1 input to select the Pt385,
Pt3926 or Pt3916 RTD probe as input, when main display
input selected T1. When the thermometer is turned on,
it is set to the probe selected that was in use 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-
