Data Sheet

bit1:1->main window value is minus, 0->main window value is plus.
bit2:1->4
th
byte and 5
th
byte represent #### 0-> 4
th
byte and 5
th
byte represent ###.#
bit3:1->sub window value is OL 0->not OL
bit4:1->sub window value is minus, 0->sub window value is plus.
bit5:1->6
th
byte and 7
th
byte represent #### 0-> 6
th
byte and 7
th
byte represent ###.#
bit7 bit6:00->Main window is T1-T2,sub window is T1
01->Main window is T1-T2, sub window is T2
10->Main window is T1, sub window is T2
11->Main window is T2, sub window is T1
4
th
BYTE:first two BCD code of main window value.
5
th
BYTE:last two BCD code of main window value
6
th
BYTE:first two BCD code of sub window value.
7
th
BYTE:last two BCD code of sub window value.
8
th
BYTE
The last byte is the end byte , it value is 3, first and last byte are used to check frame
error.
A Command(300,302):
1
nd
BYTE:
The first byte is the start byte , it value is 2.
2
nd
BYTE:
bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0
C/F Low Bat Hold REL K/J MAX/AVG/MIN
bit 2 bit 1 bit0
0 0 0 ->normal mode
0 0 1 ->MAXIMUN mode
0 1 0 ->MINIMUN mode
1 0 0 ->AVG mode
1 1 1 -> calculate MAX/MIN/AVG in background and lcd "MAX""AVG""MIN"
will flash.
bit3:1->0->K TYPE 1->J TYPE(300 only has K type)
bit4:1->REL
bit5:1- HOLD 0->not HOLD
bit6:1->LOW BATTERY 0->BATTERY NORMAL
bit7:1->C 0->F
3
th
BYTE: