Kewtech KEW301, Instruction Manual, Page: 12 / 16

KEW301
10
‧
Command D:
Return data of main window.
Range: T1, T2, T1-T2 (7bytes), the unused
characters is left as space ASC(13).
Data:
±
9999.9,-OL,OL ( 7bytes include polarity
and decimal point), Unit: C,F(5bytes)
When the meter receive the D command, it will
send :
Range
□
Data
□
Unit.
( where
□
represent space (ASC(20H) )
For example:
T1
□□□□□□
-199.9
□□
C
□□□□
(0x13) represent T1,- 199.9°C, The total byte
number should be
7+1+7+1+5+chr(13)=22Bytes
‧
Command B:
Return the contents in the second display.
‧
Command S:
Return the operation mode HOLD
□
MAX
□
REL, if the mode is not entered, the related
characters will be left as space.
For example:
when the meter is under MAX display, the
meter will return:
□□□□□
MAX
□□□□
‧
Command T:
Equivalent to one pushing on the HOLD
button.
‧
Command M:
Equivalent to one pushing on the HOLD AVG