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TABLE OF CONTENTS
1. IMPORTANT SAFETY INSTRUCTIONS .................................................... 3
2. SAFETY PRECAUTIONS ............................................................................... 4
3. GENERAL DESCRIPTION ............................................................................. 6
4. FEATURES .......................................................................................................... 6
5. HANDLING PRECAUTIONS .......................................................................... 6
6. INSTALLATION PRECAUTIONS ................................................................. 7
7. NOMENCLATURE AND FUNCTIONS
Front ......................................................................................................................... 8
Rear .......................................................................................................................... 9
8. SETTINGS AND CONNECTIONS ............................................................... 10
8.1. Switch Settings and Speaker Connections ...................................................... 11
9. REMOVABLE TERMINAL PLUG CONNECTION .................................. 12
10. INPUT SENSITIVITY AND
HIGH-PASS FILTER ON/OFF SETTINGS ................................................ 13
11. PROTECTION OPERATION LIST ............................................................... 14
12. TAMPER-PROOF CAP ATTACHMENT .................................................... 14
13. CLEANING THE FILTER ................................................................................ 15
14. BLOCK DIAGRAMS
14.1. DA-250D .......................................................................................................... 16
14.2. DA-250DH ........................................................................................................ 16
15. DIMENSIONAL DIAGRAM ............................................................................ 17
16. SPECIFICATIONS
16.1. DA-250D CU .................................................................................................... 18
16.2. DA-250DH CU ................................................................................................. 19