System information

Chapter 4: IR Remote Control Operation
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9. Press the Right arrow button to select Ye s to enable the user to record and play back the signal from
the selected cameras.
10. Use the Up and Down buttons to select the Audio option.
Note: Audio can be disabled for live viewing and playback of recordings using the Audio Disable
function.
11. Press the Right arrow button to select Ye s to enable the user to hear the live audio from the selected
cameras.
4.3.9 Audio
Use the Audio menu to set up the audio parameters for the AP-5004. The configurable parameters areas
follow:
• Mic Gain – adjusts the gain of the microphone.
• Speaker – adjusts the speaker output level (volume).
• Mic Timeout – sets the timeout for the microphone.
• Speaker Timeout – sets the timeout for the speakers.
• Self Test (Mic -> Spk) – performs a self-test to ensure correct operation of the microphone and speaker.
• Camera - setup which camera mapping to which audio channels. Audio1 is the audio input from
motherboard. The other audio inputs are from video capture card.
Note: Make sure that audio is enabled when recording signals from the cameras attached to the AP-5004.
To set the audio parameters:
1. Use the Up and Down arrow buttons to select a field to change.
2. Use the Right arrow button to increase the value and the Left arrow button to decrease the value.
3. Press the OK button to confirm.
4. Use the Up and Down arrow buttons to select the Self Test (Mic -> Spk) option.
5. Press the Right arrow button to set the option to on to make sure that the microphone and speaker is
working correctly.
4.3.10 Serial ports
The AP-5004 can be connected to other serial devices such as external modems, GPIO (General Purpose
Inputs and Outputs), Voice Call devices, PTZ cameras, camera control devices, text input devices, or USB
serial ports, using two serial ports - COM1 and COM2. The RS232 standard is used for these ports. Use
the Serial Ports menu to set the following parameters: