Siemens FDUD293 Technical Manual page 17

Building Technologies
Fire Safety
Test head
1
2
3
Front of test head
1 On/Off button
2 Display
3 Connection for adapter cable
Back of test head
1 Battery
Structure and function
Setup
4
5
6
4 Green LED
5 Yellow LED
6 Red LED
2 Battery compartment
3
1
2
17
009718_e_en_--
2014-04-11