Sennheiser EM 3731-II User Manual
Putting the receiver into operation
18
Connecting devices with AES3 digital input
The digital balanced XLR-3M audio output
receivers in AES3 format.
왘
Use a special double-shielded 110
Ω
AES3 cable to connect the device
with AES3 digital input to the digital balanced XLR-3M audio output
.
This prevents that the digital data transmission interferes with RF
reception.
reception.
왘
Via the “
Clock
” menu, select the desired sampling rate (see “Selecting
Connecting an external word clock generator
The receiver can digitalize the audio signal and output it via the digital
balanced XLR-3M audio output
balanced XLR-3M audio output
. The built-in A/D converter supports
sampling rates of 44.1 kHz, 48 kHz, 88.2 kHz and 96 kHz.
If you want to connect an external word clock generator instead, proceed
as follows:
as follows:
왘
Use a shielded 75
Ω
coaxial BNC cable to connect the external word
clock generator to the BNC socket
.
왘
From the “
Clock
” menu, select “
Ext.
for digitalization” on page 34).
The display for external word clock synchronization
The display for external word clock synchronization
:
– lights up permanently when the digital audio output of the receiver
is synchronized with the external word clock generator,
– flashes when “
Ext.
” is selected in the “
Clock
” menu but no external
word clock generator is connected,
– flashes when the signal of the external word clock generator is
available but has not synchronized the digital audio output of the
receiver,
receiver,
– is off when the receiver’s internal word clock generator is used.
G
A ready-made AES3 cable from Sennheiser is available as an
accessory with a length of 10 m (see “Accessories” on page 45).
accessory with a length of 10 m (see “Accessories” on page 45).
H I
•
Both receivers of a twin receiver use the same word clock signal.
•
The receiver has a BNC socket for word clock daisy chain
output
output
chained receivers using the supplied BNC word clock daisy chain
cable. The word clock signal is also daisy chained when a
receiver is switched off.
cable. The word clock signal is also daisy chained when a
receiver is switched off.