Topcom BUTLER 2820 User Manual page 6

Topcom telephone user manual
Table of Contents

Advertisement

Available languages

Available languages

Topcom Butler 2820
20
19
19 Tone/pulse switch
20 Flash time switch
6
300 ms
100 ms
P
T
Topcom Butler 2820

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the BUTLER 2820 and is the answer not in the manual?

Subscribe to Our Youtube Channel

This manual is also suitable for:

Butler 2820 twinButler 2820 triple

Table of Contents