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MOD-HDMI-Q : Operation Manual 1v0
3.2.2 BUTTONS LOCK-MECHANISM
The MOD-HDMI-Q will lock the functionality of its buttons after 5 min idle time to
avoid of being pushed accidentally. Two red dots on the SSD notify the user that
the button interface is locked. To unlock it, the user must press simultaneously the
UP + DOWN buttons for 5sec approximately
3.2.3 DIGITAL ATTENUATOR
The MOD-HDMI-Q has an embedded digital attenuator. The user is able to select
between three different attenuation steps as follows:
1.
0 dB attenuation (Output level: 90dbμV) SSD will display: “00”
2.
10 dB attenuation (Output level: 80dbμV) SSD will display: “10”
3.
25 dB attenuation (Output level: 65dbμV) SSD will display: “25”
3.2.4 HDCP ON/OFF FUNCTION
By pressing the “Channel / Profile” button for more than 5sec the user enables the
HDCP ON/OFF function. The SSD will display this status as follows:
1.
H1 : Indicating that the HDCP is ON
2.
H0 : Indicating that the HDCP is OFF
Using the Up/Down buttons the user is able to select one of the above status to
enable/disable the HDCP function. The MOD-HDMI-Q will exit from the current
functionality after being idle for more than 2-3sec.
3.2.5 USB INTERFACE FOR ADVANCE PROGRAMMING
The MOD-HDMI-Q provides a USB interface with the appropriate software for
advanced programming. For more information please read Appendix A.
3.3 BLOCK DIAGRAM
4 x H.264
encoders
(Up to 1080-30p)
4 x RF DVB-T out
Mux + 4 x
DVB-T
Modulators
HDMI in
1
3
2
4
