Topcon TRL-35, Operator'S Manual, Page: 25 / 48

Configuring the TRL-35
P/N 7010-0815
2-9
9. On the
Radio Link
screen, select the following parameters to set
the TRL-35 as a transmitter in
Simplex Protocol
.
Figure 2-10. Radio Link Screen
• Protocol
Select Simplex.
•
Channel
The current Transmit/Receive frequency channel in
MHz
.
•
Modulation
The modulation for Simplex protocol is DBPSK.
•
Forward Error Correction (FEC)
Enable to maximize data communication. With this
parameter enabled, the rover radio modem has the
capability to check and correct transmission errors (if
any) in an incoming data stream
. For Simplex, FEC should
be toggled on.
• Scrambling
Enable to provide more robust data communication over
high interference areas
.
For Simplex protocol, the
Scrambling should be toggled off.