Xantech Universal Remote 686 10 User Manual

INSTALLATION INSTRUCTIONS  
686-10  
REMOTE SPEAKER SWITCHER  
The 686-10 is an infrared remote controlled Speaker Switcher. It allows the user to turn six stereo pairs of  
speakers ON and OFF by way of IR commands from a Xantech RC68+ (or RC68) Programmer. The RC68+  
commands are "taught" to learning devices and passed to the 686-10 signal input terminals via Xantech IR  
receivers and keypads. Individual speaker pairs may be turned on or off in any particular room or all  
speakers turned on and off from any room for a "party mode".  
PROTECTION  
RESISTOR  
SPEAKER  
OUT  
2
3
4
5
6
1
I
N
L+  
L-  
LEFT  
LEFT GND  
IR CONFIRM  
R-  
RIGHT GND  
RIGHT  
R+  
686-10 REMOTE SPEAKER SWITCHER  
12 VDC  
Fig. 1 The Model 686-10 Remote Speaker Switcher  
FEATURES AND SPECIFICATIONS  
200 watts per channel capacity.  
Switchable 4-Ohm series resistor for amplifier protection.  
Seven 4-terminal plug-in connectors. One for the amplifier input and 6 for the stereo, relay-switched  
speaker outputs.  
Isolated Left and Right Grounds allow use of bridging type power amplifiers.  
4-terminal IR input for Xantech IR Receivers, SmartPads, connecting blocks and other devices.  
IR Confirm LED lights only with RC68+ On/Off, Toggle & Group IR commands.  
RC68+ IR commands permit Toggle, Pair and Group mode operations as well as different IR codes for  
use of multiple 686-10's. The 686-10's Code Group number is 98.  
Universal mounting fits 19-inch racks or any 3-1/2" X 19" surface. Projects about 2-3/4 inches behind  
panel with cables connected.  
Requires RC68+ Programmer (or an RC68) and 782-00 Power Supply.  
Power: 12 VDC @ 300mA.  
Dimensions: 19" W x 3-1/2" H x 2-1/4" D.  
RC68 PROGRAMMER / REMOTE CONTROL  
The RC68+ Programmer (available separately) contains all commands necessary to operate the 686-10  
(see Fig. 2).  
You will need it to program universal learning devices such as the Xantech URC-1 learning remote, the  
Xantech Smart Pads, the 590 Controller, the 710 Fone Link, etc., with commands that operate the 686-  
10.  
NOTE: The RC68+ codes operate several other Xantech models as well, such as the RS41AV, CC12,  
ZPR68, etc. Therefore, only the button descriptions that apply to the operation of the 686-10 are  
listed. All others should be ignored.  
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1
 
Power Interruption Status  
The 686-10 should normally be plugged into an unswitched AC outlet. However, if the power to the 686-  
10 is interrupted by a power failure or other reason, the internal memory will retain the last selected  
switched status for each of the speaker relays.  
INSTALLATION  
Fig. 3 shows a typical application of a 686-10 in a multiroom system. The amplifier and speakers are  
connected to the Model 686-10 by the four-terminal plug-in connectors.  
The order of the stereo speaker pairs used is not important. If you have only two pair of speakers connected  
to positions 5 and 6, they will work just as well as they would connected to positions 1 and 2.  
ThePROTECTIONRESISTORswitchconnectsafour-OhmresistorINandOUTofaseriesconnectionwith  
the amplifier. The purpose of the resistor is to prevent loading the amplifier with less than four Ohms with  
any combination of speakers. Since the 686-10 connects speakers in parallel, anytime two or more pair  
of speakers are active the impedance would be less than four Ohms (a typical "eight-Ohm" speaker usually  
has an actual impedance of less than eight Ohms somewhere between 20 Hz and 20 kHz). When all six  
pair of eight-ohm speakers are active and the protection resistor is switched OUT, the parallel impedance  
is less than 1-1/3 Ohms. With the resistor switched IN, the impedance will be less than 5-1/3 Ohms but  
always more than four Ohms.  
MAIN ROOM  
Center  
Speaker  
Right  
Speaker  
Left  
Speaker  
SOURCE  
COMPONENTS  
Satellite Receiver  
(To Multiroom  
input jack on  
AV receiver)  
794/797  
From Preout, Signal  
Processor Out, etc.  
AV Receiver  
Universal Interface  
(Version depends on  
brand of AV receiver)  
VCR  
282M or  
283M  
794  
SENDER/  
EMITTER  
UNIVERSAL INTERFACE  
Mouse Emitters  
N  
GND1  
GND2  
+12V  
ON  
1
0
(ON)  
OUT  
+12V  
(OFF)  
1
2
3
4
5
6
7
8
9
1
0
1
2
3
4
5
6
7
8
9
10  
XANTECH  
Laser Disc  
RCA patch  
cords  
Stereo Power Amp  
R
L
To 120 V AC  
(unswitched)  
CD Changer  
R+ R- L- L+  
782-00  
Power  
Supply  
686-10  
Remote Speaker Switcher  
Cassette DecK  
PROTECTION  
RESISTOR  
SPEAKER  
OUT  
2
3
4
5
6
1
I
N
L+  
L-  
LEFT  
LEFT GND  
IR CONFIRM  
R-  
RIGHT GND  
RIGHT  
R+  
686-10 REMOTE SPEAKER SWITCHER  
EMITTERS  
12 VDC  
791-44  
Amplified  
Connecting  
Block  
791-44  
AMPLIFIED  
CONNECTING BLOCK  
Speaker  
Leads  
(Home Runs)  
HIGH  
IR  
RCVR  
IR  
OUT  
12 VDC  
3 Conductor Cables  
for IR control signals  
(Home Runs)  
S-62/64/66  
Wall Speakers  
L
R
L
R
L
R
L
R
L
R
L
R
480-00  
760-00  
480-00  
Smart  
Pad™  
760-00  
490DW-00  
"J" Box  
IR Receiver  
760-00  
780-10  
760-00  
760-00  
760-00  
Smart  
Pad™  
Dinky Link  
Dinky Link ™  
Match Maker™  
Match Maker™  
Match Maker™  
"J" Box Match Maker™  
Match Maker™  
Vol. Control  
Match Maker™  
Vol. Control  
Vol. Control  
Vol. Control  
Vol. Control  
IR Receiver  
Vol. Control  
IR Receiver  
IR Receiver  
REMOTE ROOM 1  
REMOTE ROOM 2  
REMOTE ROOM 3  
REMOTE ROOM 4  
REMOTE ROOM 5  
REMOTE ROOM 6  
Fig. 3 A Typical System using the 686-10 Remote Speaker Switcher  
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3
686-10  
 
NOTE: When the 686-10 is connected to Xantech 760-00 Match Maker room volume controls, as shown  
in Fig. 3, the PROTECTION RESISTOR is not necessary, since the Match Makers, when set correctly, will  
provide the proper impedance match to the multiple speakers with virtually no power loss. In this case, be  
sure the PROTECTION RESISTOR switch is set to the "OUT" position to prevent the waste of amplifier  
power.  
• • • IMPORTANT • • •  
1. The Model 686-10 is intended to be mounted on a vertical surface so that the ventilation slots are at  
the top and the bottom of the unit. Air should be allowed to circulate into the bottom slots and out of  
the top slots, particularly when the PROTECTION RESISTOR is switched IN. The Model 686-10 will  
mount onto a standard 19-inch rack.  
2. PowerSupplyConsiderations. BecauseofthehighcurrentrequirementoftherelaysintheModel686-  
10, the Xantech Model 782 High Current Regulated Power Supply must be used. In Fig. 3, all of the  
system IR control devices are also powered from the 782 through the 686-10.  
To be sure you have sufficient power supply capability in your particular system, calculate the total  
current required by using the method shown in the 791-44 instructions, then add 300 mA for the  
686-10. If the total exceeds 1A, use a second supply to power the IR devices separately through the  
791-44.  
When the installation requires more than six sets of speaker pairs, two or more 686-10's may be connected  
as shown in Fig. 4.  
When using multiple 686-10's, keep the following items in mind:  
1. Follow the instructions that come with the 760-00 Match Maker volume controls to ensure proper  
impedance matching of all the speakers to the power amplifier.  
2. Fig. 4 drives 18 stereo pairs, reflecting an impedance of 3.56 Ohms to the power amplifier (assuming  
all speakers are 8 Ohms each and the 760's are all set to the 8X position). This is satisfactory provided  
the amplifier you are using is safe into 3.56 Ohms. If not, you may need to switch the PROTECTION  
RESISTOR to the IN position on one or more of the 686-10's, or use additional amplifier(s) to drive the  
686-10's individually.  
3. Remember, when you switch a PROTECTION RESISTOR IN, the volume level to the speakers will  
be decreased.  
4. When using multiple 686-10's or in combination with a 680-10 or other devices that respond to RC68+  
codes,besureeachissettoadifferentIRCODEGROUP. RefertoFig. 2and theRC68+Programmer  
Instructions.  
5. ToperformGroupONandOFFwithmultiple686-10's,itisnecessarytosequence(macro)thedifferent  
ONandOFFcodesforeach686-10inalearningdevice,suchasthe XantechURC-1Remote,aSmart  
Pad, or a 590-00 Controller.  
6. A CB18 Strip-IR Connecting Block is used in Fig. 4 to make the parallel connections from the IR  
devices to the 791-44 Connecting Block. In this example, only 8 IR devices are shown connected to  
the CB18. You would actually have to "double-up" on each of these connections if you need IR control  
from all 18 rooms, or use an additional CB18.  
®
4
686-10  
 
+ 1 2 V  
G
G
I
+ 1 2 V  
G
G
I
+ 1 2 V  
G
G
I
V
V
V
V
V
V
V
V
V
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
S
S
S
S
S
S
S
S
S
I N P U T  
A M P L I F R  
I N P U T  
A M P L I F I E R  
I N P U T  
A M P L I F I E R  
I R I N  
T U A S S T  
G N
+ 1
R
F
2-1-01  
Rev.C  
®
5
686-10  
 

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