Astro Design PORTABLE SIGNAL GENERATOR PROGRAMMING SOFTWARE SP-8848 - Manual (Page 61)

Chapter 2 Operation
53
Teletext data setting screen
Page
Execute Line
Execute
Select ON or OFF for the output
Line
Set the teletext data transmission mode.
4line : Four lines are set as the mode for transmitting the teletext data.
Display lines : Field1 = 20, 21. Filed2 = 333, 334
8line : Eight lines are set as the mode for transmitting the teletext data.
Display lines : Field1 = 13, 14, 20, 21. Field2 = 326, 327, 333, 334