Table of Contents
1. Introduction
1.1
1.2
1.3
1.4
1.5
1.6
trademarks ....................................................6
Important information
2.1
2.2
2.3
2.4
2.5
Preparation
3.1
Controls .......................................................10
3.2
3.3
3.4
settings ........................................................12
Talking and monitoring
4.1
4.2
4.3
doorphone ...................................................14
4.4
Recording and playing
5.1
5.2
Using electric locks and other devices
6.1
6.2
Doorbells .....................................................18
6.3
Incoming call operations
7.1
received .......................................................19
Additional functions
8.1
tilt) ...............................................................20
2
8.2
monitoring ...................................................20
8.3
8.4
settings list ..................................................21
Expanding the system
9.1
9.2
10. General information
General information
10.1 Cleaning ......................................................25
Troubleshooting
11.1 Troubleshooting ..........................................27
VL-V901 basic operations
12.1 Controls .......................................................30
station ..........................................................31