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SOURCE-POWER SYNCHRONIZATION
Voltage Sync
Voltage sync is also a reliable method of synchronization if chosen and implemented correctly. The sync inputs
can detect the control out voltage from a Niles signal-sensing product interfaced to the source component.
Obtaining Voltage Sync
Current Sensing
Current Sensing synchronizes a component by detecting the changes in the AC power draw that occurs with a
component when it turns ON and OFF.
In Figure 19, a Niles APC-2 Current Sensing Switch senses the change in power consumption of a CD changer
when it is turned ON. When it senses that change, it outputs a 12V DC signal. The synchronized CD changer's
AC power plug is connected to the current sensing outlet on the APC-2. The APC-2's 12V DC output is connect-
ed to the A4.6Ci's sync input dedicated to the CD changer, using a Niles 10' bare wire to mini-plug accessory
cable (FG00724, see Accessories for more details).
When using a Niles APC-2, a minimum change of 30W is required for reliable current sensing. If the compo-
nent does not have a 30W change in current draw when turning ON (i.e., DSS receivers and most VCRs and
CD players), consider the last method, Light Sensing.
AUDIO
CD CHANGER
DIGITAL
L
R
Niles APC-2
Figure 19
26
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