NavCom SF-2040 Rev.C - Manual (Page 75)

LAND-PAK™ User Guide – Rev. C
4-71
Handshaking
The Handshaking menu functions remain at the
default settings: CTS: Clear To Send, CD: RSSI, and
S: Ignored. RT
Additional
Error correction and error checking increase the
reliability of data transfer via radio modem.
The receiver sensitivity is bas on the
‡
(
ed
channel spacing of the radio modem
data rate of the radio interface) and the
mode of the FEC (forward error
correction) as indicated in the table
below. This radio is typically operated at
25 kHz channel spacing.
Table 11: FEC Signal Thresholds
Channel FEC Off FEC On
Spacing
25 kHz -110 dBm -113 dBm
20 kHz -112 dBm -115 dBm
12.5 kHz -112 dBm -115 dBm
The setting for error correction must
be the same on all radio modems that
will communicate with each other. If
ransmitting radio modem and the
receiving radio modem have different
e ursor
e
31)
the t
settings, data will not be received
correctly.
1. Pr ss the down arrow soft key to move the c
down the main menu to Additional (see Figur
.