Description ica100a Spec Sheet Basic System Two Station Interior The basic two-way intercom system includes a master station with volume and Push-To-Talk (PTT) controls and a remote station that provides hands-free operation. The remote station is always in transmit mode unless interrupted by a transmission from the master station. SYSTEM OPTIONS Remote Station with PTT Button This option is for installations where a remote station with hands free operation is not required. The PTT button must be pressed for the remote station to transmit.
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