SilentKnight SKE-450 Voice Evacuation Control Panel - Manual (Page 33)

Programming
151267 4-5
4.2.2.1 Using the Aux Audio input
Message 3 can be recorded from the “Line Out” on the sound card of a PC or Laptop.
To input a message through the Aux Audio terminals on the SKE-450:
1. Wire a speaker cable with 1/8” mini plug (Radio Shack Cat. No. 42-2454) to Aux Audio
Neg and IN terminals. Refer to Figure 4-1.
Figure 4-1 Aux Audio Connection for Recording
2. Plug a the mini plug into the Line Out/Headphone jack on a PC or Laptop. See Figure 4-1.
3. Wire a switch between Aux Audio Enable and NEG. See Figure 4-1.
4. Place DIP switch number 8 of SW2 to the “On” position.
The trouble relay will energize.
5. Close the switch connected between Enable and NEG.
6. From the PC, play the desired audio file (such as a wave file). Maximum length of audio
file is 49 seconds.
7. When audio file is complete, open the switch between Enable and NEG.
8. Remove the mini plug assembly from the control board.
9. Return DIP switch number 8 of SW2 to the “Off” position.