SIGNATURE
B
US
P
ROTOCOL
M
ASTER
D
OCUMENT
Revised 2-24-98
Page 3 of 20
S
OFTWARE
R
EVISION
H
ISTORY
The following is a list of the software revisions from the first version of software to include RS-
232 control to the most current version. Verify the version of software in your unit by viewing the
VFD (Vacuum Fluorescent Display) on the front panel immediately after you apply power to the
Signature 2.0 (main power, not standby).
Version 2.5:
First release.