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6. AUTO POWER OFF DISABLE
The instrument has " Auto Power Off " function in order
to prolong battery life. If there are no buttons to be
pressed for around 10 minutes, the meter will power off
automatically.
Disable auto power off function by pressing the " REC.
Button " ( 3-3, Fig. 1 ) to get into the " Data Record "
function with a " REC " symbol on the display for long
period measurement.
7. RS232 PC SERIAL INTERFACE
The instrument has RS232 PC serial interface via a 3.5 mm
terminal ( 3-10, Fig. 1 ).
The data output is a 16 digit stream which can be utilized
for user's specific application.
A RS232 lead with the following connection will be required
to link the instrument with the PC serial port.
Meter
(3.5 mm jack plug)
Center Pin............................Pin 4
Ground/shield.........................Pin 2
PC
(9W 'D" Connector)
Pin 5
12
2.2 K
resister
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