A-K3 Keypad Front Panel Operation
Common IR
12VD
C
Tr
igger Out
100m
A
Outputs to Keypads
1 2 3 4
5 6
7
8
Page
In
Page
Tr
im
Mute In
Source A udio Connectio ns
1 2 3 4 5 6
R
L
Out
In
IR
R
L
Out
In
IR
R
L
Out
In
IR
R
L
Out
In
IR
R
L
Out
In
IR
R
L
Out
In
IR
Control Lin
k
In Out
Src Trim Src Trim Src Trim Src Trim Src Trim Src Trim
L GAIN R
R235LS Amplifier
RCA
Cabl
e
22AWG
2 pair
twisted
shielded
cabl
e
+
+
1
4 6
A-C68 (back)
Keypad Dip Switches
Update
Source
/
Test
Cmd/
Type
Num Sr
c
Code
/
Ke
y
IR Lear
n
Fact Init
Ru
n
Firmware Update
Setup
IR In
1 2 3 4 5 7 86
Keypad Dip Switches
A-C68 (front)
CAT-
5
cabl
e
Status
jumper
Source
jumper
NO
LED
LED
A-K3 (back)
A-K3 (front)
A-K3 (side)
8-ohm speakers
Speakers
Speaker cable
Keypad dip switch on A-C68
set in DOWN positio
n
1 2 3 4 5 7 86
+
+
Hub
CONNECTION DIAGRAM FOR A-K3. REFER TO THE NUMBERED INSTRUCTIONS ON REVERSE. DIAGRAMS ARE NOT TO SCALE.
VOLUME UP/DOWN - Raises/lowers room volume
VOLUME LEVEL - Volume level indicator LEDs light up
from bottom to top to indicate volume level. Also
indicates source selected (1-6) when in “multi-source”
mode.
STATUS LED - Green LED lights to show Status “on” and
turns off when Status is “off”
IR CONFIRMATION LED - Red LED blinks to confirm IR
signal reception.
IR RECEIVER
- Receives IR signals from a remote
control. Source components attached to IR emitters
in an A-BUS system can be controlled with their own
remote controls or A-LRC2 learning remote aimed at
the A-K3.
POWER - Turns zone ON when pressed once. (In multi-
source mode, when ON, press and hold will turn zone
OFF. When OFF, press and hold will turn OFF all zones.)
Status LED remains lit when keypad/zone is OFF if any
other zone in system is ON.
SOURCE SELECT (Multisource controller) - When the
keypad is set in “Multisource” mode, the power button
is used to toggle through and select a source. Tap the
power button to toggle between 1 and 6 multiple
sources (once power is on). The top LEDs of the volume
indicator show (from top to bottom) the source that is
selected (top LED is source 1, next LED down is
source 2, etc).
1
2
3
4
6
6
5
1
2
3
4
6
5
1
7
2
3
4
5
2
1
(2 pages)
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