6 FAQ
1. Q: I pressed Call button, and the indicator turned on, but the VTO did not start a call?
A: Please check your operation process.
2. Q: How to end a call when I am calling?
A: Please press button on VTO and there will be sound from the device.
3. Q: The device could not boot up and there was no sound or light.
A: Please check if power supply is well plugged.
4. Q: My call did not go though.
A: It is network connection error; please check the cables of the device and its
extension.
5. Q:Volume is too low.
A: Adjust the VTO and VTH call volume.
6. Q: The device does not boot up.
A: Check the power supply between VTH and VTO.
7. Q: VTH does not show video or video quality is poor.
A: Go to VTO WEB page, switch video format to WVGA and avoid placing VTO under
poor light or direct sunlight.
8. Q:The device cannot unlock.
A: Check A&C module on VTH for loosened wiring, and check electric lock (incorrect
wiring, no output voltage or low output voltage).
9. Q: I have other problems not included above.
A: Please contact technical staffs for assistance.
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