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Meter
Center Pin........................ Pin 4
(3.5 mm jack plug)
Ground/shield..................... Pin 2
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 indicates the following status :
D15
Start Word
D14
4
D13
When send the upper display data = 1
When send the lower display data = 2
D12, D11 Annunciator for Display
℃
D10
Polarity
0 = Positive 1 = Negative
D9
Decimal Point(DP), position from right to the
left
0 = No DP, 1= 1 DP, 2 = 2 DP, 3 = 3 DP
D8 to D1
Display reading, D1 = LSD, D8 = MSD
For example :
D0
End Word
= 01
℉
If the display reading is 1234, then D8 to
D1 is : 00001234
PC
(9W 'D" Connector)
Pin 5
= 02
21
2.2 K
resistor
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