Omega Speaker Systems DRX-TC - Manual (Page 11)

2. If unit is not in echo mode :
i. For the commands which require the data to be transmitted by the DRX Signal
Conditioner, data is sent in the following formats:
data[hh]<cr>
ii. For the commands which do not require the data:
NO RESPONSE
B. Error response:
1. If unit is in echo mode:
[nn]?ee<cr>
2. If unit is not in echo mode:
?ee<cr>
NOTE :
[ ] : Means will be used wherever applicable.
* : Is the security recognition character(default is “*”).
nn : Is the unit's address in hexadecimal(default is 01).
Address may be from 01 to FF.
C : Is the command letter ( must be capital ).
W : For writing to the EEPROM (requires data)
R : For reading from the EEPROM (doesn’t require data)
xx : Command index is a hexadecimal number from 01 to FF.
data : Is one, two, or three bytes (2,4,6 characters respectively). It will be in
hexadecimal format except when command "X" is executed in which case it
is in decimal format.
hh : Is checksum characters
( Required if Checksum option is on. See “BUS FORMAT”).
The checksum is one byte (two characters) that is the simple hexadecimal
addition of all the previous bytes, ignoring any overflow.
Page 7