Tree MRC2000 Operation Manual page 13

Key Functions:
 The ON/OFF key is to turn the Scale On or Off
 The UNIT Select weighing units: kg or lb
 The ZERO key: Zero for Tare
 The PRINT key is to send data to external device through RS232 connector.
Interface Settings
 Battery socket: AC/DC 12V – external positive, inner negative
 USB interface:
Press and hold [ZERO] key then turn on the scale, the display will show A-ON or
A-OFF, press [UNIT] key twice, the display will show P-Con or P-PC, press
[ZERO] key to select Con or PC.
P-Con: send data continuously
P-PC: order send: host sends 0A (HEX) order, scale will send below data
Port setting: 9600, N 8, 1
Port's data format: (48 Bytes)
Byte 1~3
MODE DATA
1~3．MODE='FL:'： front left weight
MODE='RL:'： front right weight
MODE='FR:'： rear left weight
MODE='RR:'： rear right weight
4~8．DATA：weight data
9~10．UNIT='kg'/'lb'：unit
11． CR：ENTER key(HEX=0D)
12． LF：change line(HEX=0A
Rev 1, 11.15.2018
Interface
4~8 9~10 11
UNIT CR LF
12
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