Connecting An External Receiver - BHM Electronics 3 C-FAX User Handbook Manual

Using an External Receiver
An external receiver may be used with the C-Fax and is required if your model has no
internal receiver. It must be a crystal controlled or synthesised SSB (single side band) type,
with LSB (lower side band) mode.
Connection should be made from either the speaker output or line level output of the
external receiver to the audio socket on the side panel of the C-Fax. This input will accept a
wide range of signal levels from 1V to 5V RMS. Putting a plug into the external receiver
socket automatically overrides the internal receiver, if present.
Switch the external receiver to LSB and tune it to 1.9 kHz above the listed frequency. For
example, to listen to a channel transmitting on 9459 kHz tune the receiver to 9460.9 kHz.
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