Adtec digital YUV2QAM (version 01.02.01) Manual - Manual (Page 35)

Manually Setting Teletext
As of firmware version 1.01.00, Teletext must be manually set on the Adtec YUV2QAM
device.
Open a terminal window and enter , where xxx.xxx.xxx.xxx is the
IP address of your YUV2QAM. Press ; when prompted, type for the user
name, and for the password.
You can now control the unit via API commands.
Processing Teletext
The command for enabling and configuring Teletext Processing is ECMD PTX [Mode]
[Line_EN].
Modes - there are two modes that can be set as arguments when using the PTX command:
Mode Argument Value
Off 0
Waveform 1
Line_EN: Which VBI lines the Teletext will ride on must be specified. The notation format
for this is "0-0x1ffff", given in hexadecimal form with bitfields.
● Bit positions: specify as follows:
○ d0 = Line 6 (use 0 to disable, 1 to enable)
○ d1 = Line 7 (use 0 to disable, 1 to enable)
○ d2 through d16 corresponds to the remaining VBI lines, with d16 representing
Line 22.
Setting Teletext PIDs
The command for Teletext PID settings is ECMD TPI [argument]. There are two arguments
associated with this command: PIDx is the hexadecimal PID value. PIDd is the decimal PID
value. Available ranges for these settings are:
PIDx Range PIDd Range
0x0020 - 0x1FFE 32 - 8190
The full command string would read like this: ECMD TPI [PIDx] [PIDd].
This command is documented in the API Guide found on your device. To access this Guide,
point a browser session to your device's IP address and this string: media/hd0/media. The
API Guide can also be accessed from the "Help" tab of the browser-based UI interface.