Epson Multi-mode Data Controller MFJ-1278B - Manual (Page 285)

MFJ-1278B MULTI-MODE OPERATIONAL COMMANDS
TVMODE n Mode: SSTV Immediate Command
Parameter:
n = 1 to 5; specifying a SSTV picture format
The TVMODE command selects the formats under the SSTV mode for the MFJ-1278B.
When the built-in printer port is used to receive SSTV, the MFJ-1278B supports all SSTV
formats listed in table below.
TVMODE(n) Formats
1 8.5 seconds
2 12 seconds
3 17 seconds
4 24 seconds
5 36 seconds
The SSTV format can be changed by using the TVMODE (n) command, where n is a
number from 1 thru 5 as listed in the above table. For example, to set the MFJ-1278B to 12
seconds SSTV format, you would type: TVMODE 2 <CR>.
TVMODE is ineffective when the command TVX is turned ON. When TVX is on, MFJ-
1278B supports additional SSTV formats listed Table 4-9 in this manual.