Manual

User's Guide ______________________________________________________________________
32 __________________________________________________________________ M210934EN-C
Checksums are calculated as described in the equations below.
1
=
∑
=
=
n
i
i
bcs
1
2
256mod
2
=
65536mod
1
4
∑
=
=
n
i
i
bcs
3
=
24630'
2463'
'''
i
21
===
≠≠=
⊕⊕⊕=
ii
iiii
nx
borbifb
bandbifbb
bbbcs 
Table 7 Symbols Used in FORM Checksum Equations
Symbol
Description
cs
2
Value of CS2 checksum in the output message.
cs
4
Value of CS4 checksum in the output message.
cs
x
Value of CSX checksum in the output message.
b
i
Value of the byte at position i (1-based) in the output message.
n
Number of bytes in the output message before the CS2, CS4,
or CSX field (including earlier checksum fields, if any).
⊕
Bit-wise exclusive-or operator.
36
Byte value of ASCII $ character.
42
Byte value of ASCII * character.
Select Unit
Use the UNIT command to select metric or non-metric output units.
UNIT [x]<cr>
where
x
=
M or N
where
M
=
Metric units
N
=
Non-metric units