System Mode; Video Format Menu - National Semiconductor LMH0340 User Manual

4.3.2

System Mode

The System Mode menu contains the various configuration options for the EVK. Use this menu to configure the
EVK into one of the 3 previously discussed modes of operations.
PB 0
Cancel
LED 1 LED 2
Off Blink
Once a mode has been selected, all of the LEDs will flash and the system will return to the main menu. A
successful configuration is indicated by a single flash, while two flashes indicate a failure. If a failure occurs, refer
to the table below for the most common causes.
Configuration Typical Cause of Failure
Standalone
Genlock
Passthrough
4.3.3 Datapath Menu
This menu will be available in a future release. If this menu is selected the LEDs will flash twice and the system
will return to the main menu.
4.3.4

Video Format Menu

The Video Format Menu configures the push buttons to navigate through the supported video formats. Users
must select a video format with a compatible frequency in order for the system to be configured. If the system is in
Standalone Mode and a valid combination is selected, the LEDs will flash once to indicate successful
configuration. In other modes the video format and frequency settings are ignored. See the table below for the
supported video formats and clock frequencies.
PB 0
Cancel
LED 1 LED 2
Off Off
July 2009
PB 1
Genlock
LED 3 LED 4
Off Off
Incorrect format specified or mismatch between frequency and video format.
No reference or invalid reference.
Input video not present or unrecognized.
PB 1
OK
LED 3 LED 4
Blink Off
PB 2
Passthrough
LED 5 LED 6
Off Indicates Current Mode
PB 2
Up
LED 5 LED 6
Off Indicates Current Mode
PB 3
Standalone
LED 7 LED 8
PB 3
Down
LED 7 LED 8
Rev 0.06
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