Furuno FAX-30 - Manual (Page 48)

3. FAX OPERATION: PC
3-6
3.4 Processing Facsimile Images
3.4.1 Phase mismatch
When the FAX-30 starts receiving a broadcast already in progress, or noise
prevents detection of the phasing signal, the image may be divided into two
parts by a thick black (or white) stripe called a dead sector. This phenomenon is
due to phase mismatching. When this occurs, correct phase mismatching, after
the facsimile has been received.
0 10 20 30 4 0
Dead sector (can be white)
Dead sector
center at "15"
Example of phase mismatching
1. With a facsimile image displayed, click PHASE.
OK
PHASE
< back
0
Phase entry window
2. Read the scale to find the center of the dead sector and enter it in the phase
entry window. For example, if dead sector is centered at "15" on the scale, as
in the illustration at the top of the page, enter “15”. The setting range is 00 to
40.
3. Click OK and then click “