158 6820 / 6820EVS Manual P/N LS10144-001SK-E:C  09/28/2017
1. Wire a speaker cable with 1/8” mini plug (Radio Shack Cat. No. 42-2454) to the Aux AUDIO GND and IN terminals. Refer to 
Figure 11.5.
Figure 11.5  AUX Audio Connection for Recording
2. Plug the mini plug into the Line Out/Headphone jack on a PC or laptop. See Figure 11.5.
3. Enter programming mode at main control panel.
4.  Select option 8 VCM Maintenance.
5. Select option 2 Local Recording.
6. Select the amplifier and circuit for the audio to play through during programming. A user would generally pick the audio circuit that 
is in closest proximity to them.
7. Press EVS Message Key 1 to enter the message slot selection mode. Then, press the Select Key 1-15 that corresponds to the 
message slot that you wish to record to. The associated Select Key red LED will begin flashing, indicating that the message slot is 
ready for recording.
8. Simultaneously press EVS Message Key 3 and start playing the audio source on the PC or laptop.
9. When the audio file from the PC is finished playing, press EVS Message Key 3 again to stop the recording. The Select Key green 
LED will come on.
10. To playback the recorded message, press the Select Key 1-15 that was just recorded to.
Recording with Aux Audio Input Example:
The user wants to record into memory slot 2 via the Aux Audio Input channel. 
Upon entering the Local Recording mode via the keypad menu, the VCM will light the Select Key green LEDs 1-15 for each occupied 
message slot. 
If a message already exists in message slot 2, it must first be erased. Press EVS Message Key 8, then press Select Key 2, (see Section 
11.8.3). When the message has been erased Select Key 2’s green LED will turn off. 
To record a message, press EVS Message Key 1, then press Select Key 2 (this will use message slot 2 for the recording). Select Key 2's 
red LED will begin flashing. 
Press EVS Message Key 3 while simultaneously pressing play on the PC to start recording the Aux Audio Input. When the PC message 
is done, press EVS Message Key 3 to stop recording. Select Key 2's red LED will stay on until processing is completed. Select Key 2's 
green LED comes on after the recording is completed. 
NOTE: The VCM will light the green Select Key LED for message slots that are occupied. If a message is already stored in the desired slot, 
then you must erase the message first. (see Section 11.8.3)