D12 &
Annunciator for Display
D11
= 01
℃
PPM = 19
= 02
℉
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, D8 = MSD, D1 = LSD
For example :
If the display reading is 1234, then D8 to
D1 is : 00001234
D0
End Word = 0D
RS232 setting
Baud rate
9600
Parity
No parity
Data bit no.
8 Data bits
Stop bit
1 Stop bit
7. 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.
2)Loose the " Screws for Battery Compartment " ( 3-8,
Fig. 1 ) take the " Battery Cover " ( 3-7, Fig. 1 ) away
from the instrument and remove the battery.
3)Replace with DC 1.5 V battery ( UM4, AAA,
Alkaline/heavy duty ) x 6 PCs, and reinstate the cover.
4)Make sure the battery cover is secured after changing
the battery.
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