Description
BusinessPhone Cordless DT400/DT410/DT420/DT4308
Description
1LED
2 Volume Up/Down
Off hook: raise/lower earpiece volume. On hook: raise/lower ringer
volume. See section Audible Adjustments on page 81.
System A
PLATTNER
2
1
3
4
5
6
7
9
10
11
12
13
15
16
14
8
17