FIELD METERS MCT 080 / 081 / 082 / 085 USER MANUAL
p.
97
21 ASI function
The input or the output of the MPEG digital video signal is made according to the ASI standard
("asynchronous serial interface").
This is a serial transmission, asynchronous (without clock) 270MHz on coaxial cable to input or output a
digital modulator or an MPEG frame analyzer for example.
ASI input
Pressing the "HOME" key and then the tab "ASI" allows
to access the ASI IN entry
The state of the interface is displayed on the TV image:
Indications:
• ASI IN: TV picture from ASI input
• UNLOCKED / LOCKED: status of the ASI interface (unlocked / locked)
The ETR290 analysis functions are available on this ASI input.
ASI output
The device continuously transmits on the output
ASI OUT
the multiplex coming from:
-
the RF input on a synchronized digital channel
-
optical input on a synchronized digital channel
-
the input ASI IN if the interface is synchronized