
The operator can still switch from listen to talk manually by pressing “1”, or switch from talk to listen by pressing “3” on a telephone connected to the line (with increased volume). Pressing “8” returns to two-way duplex. Pressing “9” disconnects the call. Press any key but “9” to extend the time 90 seconds. . Check the VOICE PROMPTS ENABLED box to have the Console announce system events with a digitally synthesized human voice. 4.9 SENSORS PURPOSE: To display and edit sensors installed in the