Table of Contents
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
Preparation
3.1
Controls .......................................................10
3.2
3.3
3.4
3.5
3.6
3.7
settings ........................................................14
Talking and monitoring
4.1
4.2
4.3
doorphone ...................................................16
4.4
Recording and playing
5.1
5.2
5.3
monitor) .......................................................20
Using electric locks and PBXs
6.1
6.2
Doorbells .....................................................21
6.3
Incoming call operations
7.1
received .......................................................22
2
Additional functions
8.1
8.2
monitoring ...................................................23
8.3
8.4
settings list ..................................................24
8.5
Expanding the system
9.1
monitors ......................................................29
9.2
9.3
monitor) .......................................................30
General information
10.1 Cleaning ......................................................32
Troubleshooting
11.1 Troubleshooting ..........................................34
VL-V901 basic operations
12.1 Controls .......................................................38
station ..........................................................39