4
Commands (Data Input Format)
You can connect a computer to your balance to  
send commands via the balance interface port for con-
trolling balance functions and applications. The commands 
sent are control commands and may have  
different formats. Control commands consist of up to 13 
characters. Each character must be transmitted according 
to the settings configured in the operating menu for data 
transmission.
Format for Control Commands
Format 1:  Esc !  CR LF
Format 2: Esc ! # _ CR LF
Esc:  Escape (optional) 
!#:   Command character
_:   Underline
CR:  Carriage Return
LF:   Line Feed (optional)
Command  
character
Format 1
!  Meaning
?  Loading the internal adjustment weight ¹
,
 
²
)
@  Lifting the internal adjustment weight ¹
,
 
²
)
kP  Key PRINT output to all interfaces
K Ambient conditions: very stable
L Ambient conditions: stable
M Ambient conditions: unstable
N Ambient conditions: very unstable
O  Block keys
P  Print, auto print; activate or block
Q  Beep
R Unblock keys
S Restart/self-test
T Zero/Tare command
U  TARE key
V  ZERO key
W Adjustment (depending on the menu setting) ²
)
Z Perform internal adjustment ¹
)
¹
)
 = only for balances with internal weight
²
)
 = may be inaccessible on verified balances
³
)
 = only for Essential Line
⁴
)
 = only for Advanced Line
Command  
character
Format 2
!#  Meaning
f0_ Function key V ³
)
f1_ Function key CAL ³
)
f2_ Function key ENTER ³
)
f3_  ZERO key
f4_  TARE key
s3_ CANCEL FUNCTION key 
s9_ Create a screenshot on USB stick ⁴
)
x0_  Internal calibration ¹
)
x1_ Print model number
x2_ Print serial number
x3_  Print BAC software version (old notation)
x4_   Print APC software version (old notation)
x5_   Print balance ID
x20_   Print BAC software version (new notation)
x21_   Print APC software version (new notation)