NARDA 8718B, User Manual

Page: 119 / 137

118 Appendices
>A000CSCR
>C000CSCR
>Dr00CSCR
>E003XXXCSCR
>F0r4XXXXCSCR
>H000CSCR
>P000CSCR
>L000CSCR
>V000CSCR
>X000CSCR
AUTO ZERO
READ CLOCK (TIME DATE)
Display averaging change
r=1, 2, 3, 4 low to high display averaging
SET CF (Correction Factor)
SET FREQ
X is DATA, r is kHz, MHz, GHz
r=0=kHz, r=1=MHz, r=2=GHz
SEND HEADER (24 bytes of data)
DUMP PROBE DATA (432 bytes of data)
DUMP LOG DATA
READ displayed VALUE
Last displayed value (6 bytes) + units (6 bytes)
READ MAX
Command Characters Function
I. Communications Protocol
A) Ground Rules
1) CS= two digit checksum (2 ASCII (Hex) characters)
NOTE: The ">" is NOT included in the checksum calculation
2) CR= one digit camage return (13 or $0D)
3) x= data
4) r= range
5) >=ASCII “>” ($3E)
B) General send format:
1) > ï cmd letter ï 0 0 ï # of digits in data ï data ï CS ï CR ï
2) All characters are sent and received as capital letters,
don’t send lower case letters unless one is specifically requested.
3) Checksum (CS) is always sent or received as a
hexadecimal value, e.g.,"A7","BC","2E", etc.
4) Data is always sent or received as a decimal value.
Command Characters Function