Direct Manuals

ManualLib has 9 Direct manuals. Every file can be read online or downloaded as a PDF for free.

User Manual 1

Key facts

Manuals
9
Languages
ZH
Last added
2012-07-05

Latest Direct manuals

Which document do I need?

User Manual

Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.

Questions answered in Direct manuals

What is the working voltage of the system?

The system operates at DC+18V.

From: Direct Call Video Doorphone 4~14 Apartments User Manual

How long can you talk with a visitor?

Talking time is about 65 seconds per call.

From: Direct Call Video Doorphone 4~14 Apartments User Manual