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when “Zone 2” is active). Because of this, it may not be possible to sync the receiver
using a 12V DC wall adapter. Instead you must resort to using dual zone receivers with
separate “On” and “Off” commands for the “Main” and “Second” zones, configurable
control voltage outputs, or simply use two separate receivers. An LS-1 Light Sensor may
be used if there is a way to detect when the Home Theater zone is on independent of the
Second Zone.
Connect the dual zone component so that you can listen to music on both zones. Turn on
the “Second zone”, then turn the “Home Theater” zone “On” and “Off”. You may be able to
position an LS-1 Light Sensor on the portion of the display that brightens when the Home
Theater zone is on. Turn the Home Theater zone “On” and “Off” and observe the LS-1’s
LED to see if you can get reliable sync (green lights on your Test LED). This test will only
be valid if you repeat the test with the display in every possible configuration, with any
input selected, and with the Second Zone “On” and “Off”.