50
9. Press
the
Right
arrow button to select
Yes
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
Yes
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 VP-404/4048. 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
VP-404/4048.
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 VP-404/4048 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
