On some phones you need to "connect" the new
device found to stay active. In others, the new device
is enabled after being detected.
2.6.2.1 Re-connect a paired phone
To reconnect to the console a cell phone, proceed
as follow:
•
Turn on the Bluetooth of the DX816/822 by
pressing "BLUETOOTH" until the button CELL
PHONE lights (5 secs aprox). The button will
flash slowly in blue.
•
Enable the Bluetooth at the cell phone. When
the cell phone notice that the connection has
been made you are ready to operate. When
you make or receive a call, the audio is routed
to the console.
In some phones the re-connection is not automatic. You
need to "connect" the new device found to stay active.
2.6.2.2 Set up the level
IMPORTANT: At the cell phone, Bluetooth volume
must be adjusted at maximum level
in order to
obtain a good reception and to sure the best signal
to noise ratio.
This adjusting must be done with a real calling us-
ing Bluetooth.
The volume of the phone's speaker is not the same
of Bluetooth device. If you change the phone's level
without make a Bluetooth calling, you will only be
changing the volume for the phone's speaker, not
for the Bluetooth. To change the level of Bluetooth,
make a call using the console (or a hands free head-
set) and set the Bluetooth level to the maximum, or
one step below the maximun. This setting is stored
at the cell phone's memory. If you use another cell
phone with the console, you will need to set the
Bluetooth level again.
2.6.2.3Turn off Bluetooth at the console
To turn off Bluetooth,
press and hold “BLUE-
TOOTH”
until the button CELL PHONE stop flashing.
2.7.3 External Hybrid
The DX816/822 series has send and return for ex-
ternal hybrid. “External Hybrid” [8] uses a female
¼” TRS (Jack) that send signal (PGM) through the
“tip” and receives signal (return or input to console)
through the “ring”.
Figure 9: Cable for connect an external hybrid
Ex-Hyb output
(Tip); Is the return from microphones
from the console and PGM to the phone lines. This is
a MIX-MINUS signal, and connects to the input “
re-
turn to phone lines” at the external hybrid (audio in-
put of the hybrid).
Ex-Hyb input
(Ring); Is the input for the audio that in-
comes from the external hybrid. This signal is mixed
to PGM but not to MIX-MINUS signal. This input con-
nects to the audio output of the external hybrid.
The audio from external hybrid is routed to TELCO
(Channel 8) The main FADER of Channel 8 works in
the same way that with the lines connected to the
built-in hybrid.
2.8 GPIO
The
‘GPIO’
outputs
(General Purpose Output
) al-
lows to command external devices when certain
channels of the mixer are on-air. The channels that
generates GPIO signals are: MIC-1, MIC-2; MIC-3
(and 4, 5 6 for DX822) USB-1 and USB-2.
These outputs are
"open collector"
, and works like
a switch: when the channel is off-air (fader closed
or PGM unassigned), the output present an open
circuit (high Z). When the channel is on-air, the
output connects to GND, closing the circuit. GPIO
can manage up to + 24V/0,1A.
GPIO use jack TRS 1/8” connectors, located at the
rear panel.
GPIO MIC 1 & 2
(idem MIC 4 & 5
in DX822)
SLEEVE
GND
RING
MIC-1
TIP
MIC-2
GPIO MIC-3
(idem MIC-6)
SLEEVE
GND
RING
MIC-3
TIP
NOT CONNECTED
GPIO USB
SLEEVE
GND
RING
USB-1
TIP
USB-2
Table 3 – GPIO
Page 12
DX816 & DX822 - Broadcast mixing consoles
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