Manpack Transceiver 2110 series Reference Manual 271
16 The Mode List
The Mode List stores information about the modes available in the transceiver. A mode
is a set of parameters used with a channel consisting of a sideband and an IF filter, as
shown in Table 37. An IF filter may be centred differently in the audio pass-band to suit
the particular requirements. For example, USB CW and USB PT use the same 500 Hz
filter, but with different centre frequencies.
The modes from which you can select depend on the options installed in the transceiver.
The Mode List is display-only: you cannot add, edit or delete modes from it.
PT-type modes are used for narrow-band Pactor modems. CW-type modes are used for
morse operation, where channel spacings may overlap. CW-type modes may also be
used in situations where the signal-to-noise ratio needs improvement.
Table 37: Possible modes for the 2110 Manpack Transceiver
Name of mode Sideband IF centre IF width
USB USB 1500 Hz 2500 Hz
LSB LSB 1500 Hz 2500 Hz
AM AM 1500 Hz 2500 Hz
USBW USB 1650 Hz 2700 Hz
LSBW LSB 1650 Hz 2700 Hz
USB 3k USB 1800 Hz 3000 Hz
LSB 3k LSB 1800 Hz 3000 Hz
USB CW USB 900 Hz 500 Hz
LSB CW LSB 900 Hz 500 Hz
AM CW AM 900 Hz 500 Hz
CW N/A 0 Hz Narrowest available, typically
500 Hz (if fitted) or 2500 Hz
USB PT USB 1700 Hz 500 Hz
LSB PT LSB 1700 Hz 500 Hz
Table 38: Modes for the 2110v Manpack Transceiver
Name of mode Sideband IF centre IF width
USB USB 1500 Hz 2500 Hz
LSB LSB 1500 Hz 2500 Hz
AM AM 1500 Hz 2500 Hz
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