4
Topcom Butler 4870 Twin/Triple/Quattro
Topcom Butler 4870 Twin/Triple/Quattro
9.4
Using the intercom feature
19
10
Troubleshooting
20
11
Default settings
20
12
Technical data
20
13
Topcom warranty
21
13.1
Warranty period
21
13.2
Warranty handling
21
13.3
Warranty exclusions
21