© PCE Instruments
7
5.2
Automatic power-off
As per factory default, the device turns off automatically after 15 minutes of inactivity.
This feature can be adjusted by the user as follows:
•
With the device turned off, press the mA%/V and the power button simultaneously to
turn the device on.
•
Release the power button as soon as the display shows all of the content.
•
The device is now in calibration mode and the symbols AP-XX are shown on the
display.
•
Use the
▲ or ▼ buttons to toggle between AP-OFF and AP-ON.
•
Press the 100%/START button to store the changes.
•
Press the power button to exit.
5.3
Device output
The device produces a DC current from its appropriate output terminal
（
OUTPUT
)
set by the
user or it can simulate transmitter output.
Caution
Do not apply voltage to the output terminal during the operation. If any improper voltage is applied
to the output terminal, it will cause damage to the internal circuitry.
Function
Operation
% Operation
Display
Setting Range
DCI 20mA
20 mA
%
00.000 mA
-025.00 mA %
00.000
～
22.000 mA
-025.00
～
112.50 mA %
5.3.1
Current output
•
Insert one end of the test lead to the + mA
– output jack
（
OUTPUT
）
of the device and
connect the other end with the input of the device as shown in Figure 5.1.
•
Press the output/input toggle button (3) so that the OUTPUT symbol appears on the
display. The device is now in an output state.
•
Press the mA%/V unit select button (4) so the device displays mA or mA%; where 0%
is 4mA and 100% is 20mA.
•
Use the
◄ or ► buttons to select the output digits.
•
Use the
▲ or ▼ buttons to change the value of the set digits. The value can be rounded
or decremented automatically. Press and hold the button for one second to change the
value continuously.
