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Press the Up or Down key to select "SOURCE" on the screen and
press the ENT key.
Press the Down key to select "AUX" and press the ENT key.
In AUX mode, all the intercom speakers output the signal from the
external source such as audio player, etc.
The LH-5000 works as a burglar alarm by connecting an external switch to the
ALARM terminals on the rear panel. When the alarm mode is enabled, both
horn speakers are automatically selected. If an alarm is triggered, the LH-5000
sounds the alert for two minutes and stop for five minutes in cycle.
Press the MENU key on the front panel.
Press the Up or Down key to select "ALARM" and press the ENT
key.
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