2. Instructions details
Function Introduction
Right return value
C4 EosC3C2C1C0
Instructions
KnnnnXA
Read the software version number
Read the instrument model number
A: F: OVER: version No.+Eos
A: F: OTYPE: instrument model No.+Eos
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OVER
OTYPE
Read the serial number of the
instrument
Read the manufacture date of the
instrument
A: F: OCODE: serial number+Eos
A: F: OPRDA: manufacture date+Eos
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OCODE
OPRDA
On/off backlight
On/off keypad
Set the time of backlight turn off
:、、Option ON 20s 30s
A: F: OBLAC: OK+Eos
A: F: OBLAT: OK+Eos
A: F: OKEY: OK+Eos
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0（ ） 1（ ）close open
0/20/30
0（ ） 1（ ）close open
OBLAC
OKEY
OBLAT
W
W
W
Read the voltage of battery
Read instrument's pressure range
Pressure type:0(gauge) 1(absolute)
Read the actual pressure value
Read the environment temperature
A: F: OBATV: battary voltage+Eos
A: F: ORAN: ower limit: upper limit:l
pressure unit: pressure type+Eos
AFOTEMP ℃:: : :temperature +Eos
A: F: MRMD: pressure value: unit+Eos
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OBATV
ORAN
MRMD
OTEMP
R
R
R
R
Zero the pressure value
Set the sending data continuously
Switch the pressure units
A: F: MZERO: OK+Eos
A: F: OZERO: OK+Eos
A: F: OCONT: OK+Eos
A: F: OUNIT: OK+Eos
Unit shortening
0（ ） 1（ ）close open
OZERO
OCONT
OUNIT
MZERO
W
W
W
W
Read the code of optional units
Read pressure peak value
A: F: OUINF: unit info code +Eos
A F OPEAK:: : :max peak value
min pear value pressure unit +Eos
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OUINF
OPEAK
R
R
Read series port address(1-112)
Set up the series port address
Set the baud rate (2400,4800,9600)
Zero pressure peak value to actual
measured pressure value
A: F: OPKZE: OK+Eos
A: F: OADDR: address +Eos
A: F: OADDR: OK+Eos
A F OBAUD:: :OK+Eos
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Address
Baud rate
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OADDR
OADDR
OBAUD
OPKZE
R
W
W
W
Cancel the pressure parameter to
operation, go back to factory default
A: F: OFALT: OK+Eos
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OFALT
W
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
Cancel the zeroing pressure
R
R
R
R
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