Omega Speaker Systems DRX-TC User Manual
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PARITY = bits 4,3 and are:
00
for NO
01
for ODD
10
for EVEN
11
not used
DATA BIT = bit 5 and is:
0
for 7 data
1
for 8 data
STOP BIT = bit 6 and is:
0
for 1 stop
1
for 2 stop
Bit 7 : always 0
Note 1:
Stop bit is always 1. Unless 7 data, no parity is selected then unit will use 2 stop bits.
Note 2:
When 8 Data bit is selected, only NO PARITY is allowed.
8. BUS FORMAT:
This is one byte data as:
Bit 0 = 0/1
means checksum not included/included
Bit 1
not used
Bit 2 = 0/1
means no echo/echo
Bit 3 = 1
means 485 mode
Bit 4 = 0/1
means continuous/command mode
Bits 7-5
not used
For models (PR/ST/FP):
Bit 7 = 0/1
Enable/Disable peak and valley comparison
NOTE 1 :
ECHO mode means the unit will echo back the command letter and index.
NOTE 2 :
Do not use checksum option unless you have to use it.
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