AMU1-CHD+mk2
Issue 1
3.5
Configuration Switch Functions (subject to change, Y05 s/w)
SWITCH SECTION
FUNCTION
1
PPM – Up/ EBU Digital – Down
2
Peak Hold OFF-Up
3
Internal speaker Mute- Up
4
Calibration Level – see below
5
Calibration Level – see below
6
Calibration Level – see below
7
Not used
8
Composite out-Up/SDI \Down
The level configuration switches on the HDC2 board operates in a “2’s complement” manner the
relationship between the dBfs level setting in the digital domain and the dBm level setting in the
analogue domain. The “zero” position with all switches in the down position is designed to give
0dBm out for a level of -18dBfs in digital space. See below for configuration
SW4
SW5
SW6
FUNCTION
UP
UP
DN
-24dBFS
DN
UP
DN
-22dBFS
UP
DN
DN
-20dBFS
DN
DN
DN
-18dBFS
UP
UP
UP
-15dBFS
DN
UP
UP
TBD
UP
DN
UP
TBD
DN
DN
UP
TBD
(See Notes
4.0
)
