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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
= 01
℃
= 02
℉
% RH = 04
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 :
If the display reading is 1234, then D8 to D1 is :
00001234
D0
End Word
RS232 setting
Baud rate
9600
Parity
No parity
Data bit no. 8 Data bits
Stop bit
1 Stop bit
8. BATTERY REPLACEMENT
1)When the left corner of LCD display show " ", it
is necessary to replace the battery. However, in-spec.
measurement may still be made for several hours after
low battery indicator appears before the instrument
become inaccurate.
13