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FRONT PANEL FEATURES
UP/DOWN VOLUME CONTROL
Use to adjust the level for the Input, Output, or Group
assigned to the remote control. Duplicates the func-
tion of the UP/DOWN buttons on the DX8/DX810
front panel.
LED DISPLAY
Indicates the level setting of the Input, Output,
or Group assigned to the remote control. "0" cor-
responds to "10" on the DX8/DX810 front panel
LED display, which is unity gain. "+10" corresponds
to "OL" on the front panel LED display, which is
maximum gain.
U5
S1
ON
1
2 3 4 5 6 7 8
C14
FUNCTION
J4
C16
D2
U6
C7
R34 R4
J5
C3
D3
J3
C4
C9
R6
R35
R1
D4
R2
R7
R3
U2
C10
R5
J2
C8
L2
L1
REAR PANEL FEATURES
PREDEFINED FUNCTION SELECTION SWITCH
This 8-position DIP switch provides 256 unique func-
tions that can be assigned to the DX-RVC remote.
Refer to the chart on the back page for a list of all
predefined functions currently available.
Each remote control must have the selection switch
set to a unique ID. When the DX8/DX810 is first
turned on, it polls the REMOTE BUS and identifies the
remote controls connected to it by each unique ID.
Many of the predefined functions have two ID ad-
dresses assigned to it to allow two remote controls
to be connected to a DX8 that both control the
same function.
CONNECTOR (J2)
Connect the wires from the DX8/DX810 REMOTE
BUS directly to this connector. Strip the wire back
about 1/4", insert the wire as far as it will go into
the connector and tighten down the screw with a
small slot-head screwdriver.
Use a high-quality three-conductor shielded cable
to make this connection, such as Belden 8451,
9451, or equivalent.
The connector is wired as follows:
Remote
DX8/DX810
GND
G (Ground)
A
+ (+ Data with +24V DC power)
B
– (– Data with +24V DC power)
PWR
N/C (This is for an external
power supply, described in the
next section)
DX8/DX810
DX-RVC
R5
J2
L2
L1
USING AN EXTERNAL POWER
SUPPLY
The DX-RVC is powered by the DX8/DX810
over the data lines. An external power supply
can be used by removing jumpers J3 and J5
from the DX-RVC circuit board, and connecting
a power supply rated at 9 to 16V AC or DC
to the PWR terminal on the connector (J2). A
number of "wall-warts" or bell transformers are
readily available from local electrical supply
houses with output ratings between 9V and
16V. Allow 25mA per remote.
From DX8
Total Distance Dependent on Type of Cable Used
INSTALLING THE DX-RVC
The DX-RVC can be installed in a single
standard electrical box, or in a double-gang box
along with a second DX-RVC or DX-SW4 remote
control.
CONNECTING MULTIPLE
REMOTE CONTROLS
Up to nine remote controls can
be connected to the DX8/DX810
REMOTE BUS. The maximum
length of the cable depends on the
type of cable used and the number
C8
and type of remote controls used
in the system.
As a general rule, using 22
gauge wire (at 0.014 Ω/ft. and
34 pF/ft.), one remote can be up
to 3000 feet away, five remotes
can be up to 2500 feet away, and eight remotes
can be up to 500 feet away before transmission
losses become a factor.
Feet of Cable versus
Maximum Number of 2-Button Remotes
10
9
8
7
6
5
4
3
2
1
0
Feet of Cable
Belden 8451 (22 AWG, 34pf/ft)
Belden 1192A (24 AWG, 39pf/ft)
DISTANCE CHART FOR DX-RVC CABLE
To Next Remote
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