September 12, 2005 • Alcorn McBride AmpTraXX User’s Manual • Rev 1.2
Page 21
Advanced Serial Control
The table below shows the complete AmpTraXX serial protocol. Using these commands, an external
controller can set up and/or dynamically control AmpTraXX. Throughout the following table <CR>
means carriage return, a byte with the hexadecimal value of 0D.
NOTE:
For the channel commands,
cc
represents a 2 digit channel number. This number must always be
2 digits, event for the single digit numbers. For example, Channel #1 would be represented as
01
where
channel #12 would be
12
.
General Commands
Description
Command Bytes
Response
Comments
Description Command
Bytes
Response
Comments
Get Version
?V <CR>
AmpTraXX Vx.xx <CR>
x.xx
= current version
Get Mode
?M <CR>
Mxx <CR>
M00
= Firmware Update,
M01
= Normal Mode
Get Front Panel Status
FP <CR>
Fxx <CR>
F00
= Front-Panel Disabled,
F01
= Front-Panel Enabled
Store Settings
ST <CR>
R <CR>
Channel Commands
Description
Command Bytes
Response
Comments
Set Filter Type
ffccFI <CR>
R <CR>
Flat =
FL
, Band =
BP
,
Notch =
NO
, Low =
LP
,
High =
HP
, Test Tone =
TO
Get Filter Type
ccFI
ff<CR>
Set Frequency
nnnnccFR <CR>
R <CR>
Value between 40-8000
Get Frequency
ccFR <CR>
nnnn <CR>
Set Filter Quality
n.nnccFQ <CR>
R <CR>
Value between 0.15 – 5.0
Get Filter Quality
ccFQ <CR>
n.nn <CR>
Set Gain
nn.nccGA <CR>
R <CR>
Value between 0.0 – 10.0
Get Gain
ccGA <CR>
nn.n <CR>
Set Filter Quality %
nnn%ccFQ
R <CR>
0%
Æ
100%
Get Filter Quality %
%ccFQ
nnn% <CR>
Set Gain %
nnn%ccGA
R <CR>
0%
Æ
100%
Get Gain %
%ccGA
nnn% <CR>
Reset Amplifier
ccRA <CR>
R <CR>
clears protect mode
