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DSC
SPEAKER PHONE OPERATIONS
To enter speaker phone mode: [#] + AUX
To exit speaker phone mode: OFF
To enable/disable (toggle) ringer: [#] + VOLUME + AUX
To return keypad to telephone mode (after clearing an alarm or trouble or disarming the system): [#] + AUX
To flash (switch back and forth between two calls using call waiting): AUX
(wait at least two (2) seconds before pressing AUX again)
