Modem page
You can change the modem settings on this page.
If you change the modem mode, RX or TX frequency on this page, the values will be copied to the currently
active connector's settings. If Advanced mode is turned off, both RX and TX frequencies will be automatically set
to the same value (the separate RX and TX frequency fields will be hidden).
If the
Idle modem mode
is activated then the openSPOT3's modem won't transmit and will ignore all received
transmissions.
In case you have half deviation enabled in your C4FM/Fusion® radio (some models don't have this setting and
have half deviation mode enabled by default), use the
C4FM Half Deviation
modem mode.
Frequency
The
Modem receive frequency offset
setting can be used to correct the frequency difference (RX offset) between
the openSPOT3 and the used transmitter. This setting is only available if Advanced mode is enabled.
Setting an RX offset may be needed in case others report that transmissions coming from your transceiver have
voice quality issues. This should rarely happen as the
openSPOT3 has a built-in, factory calibrated, extreme
accurate clock reference
. You can also use the
special connector to find out the required RX offset
value, or you can use the openSPOT3's built-in
to find out the RX offset value yourself by
listening back your recorded voice.
CW ID
You can set a CW ID which the openSPOT3 will transmit at the specified interval with the specified speed. You
can use letters, numbers, slash (/) and space characters in the ID.
Modem page
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