7-2 RS232 computer interface
The instrument is provided an 3.5 mm dia. phone socket
( 3-12, Fig. 1 ) for RS232 computer interface socket.
The connector output is a 16 digits data stream which
can be utilized to the user's specific application.
A RS232 lead with the following connection will
be required to link the instrument with the PC
serial input.
Meter
PC
(3.5 mm jack plug)
(9W 'D" Connector)
Center Pin......................................Pin 4
Ground/shield....................................Pin 2
2.2 K
Pin 5
resister
The 16 digits data stream will be displayed in the
following format :
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Each digit indicate the following status :
D15
Start Word
D14
4
D13
1
D12 & D11 Annunciator for Display
dB = 17
D10
Polarity
0 = Positive
1 = Negative
9