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TABLE OF CONTENTS
1. IMPORTANT SAFETY INSTRUCTIONS .................................................... 3
2. SAFETY PRECAUTIONS ............................................................................... 5
3. GENERAL DESCRIPTION ............................................................................. 9
4. FEATURES .......................................................................................................... 9
5. HANDLING PRECAUTIONS .......................................................................... 9
6. INSTALLATION PRECAUTIONS ................................................................ 10
7. NOMENCLATURE AND FUNCTIONS
Front ........................................................................................................................ 11
Rear .......................................................................................................................... 12
8. SETTINGS AND CONNECTIONS ............................................................... 13
8.1. Switch Settings and Speaker Connections ...................................................... 14
9. REMOVABLE TERMINAL PLUG CONNECTION .................................. 15
10. INPUT SENSITIVITY AND
HIGH-PASS FILTER ON/OFF SETTINGS ................................................ 16
11. PROTECTION OPERATION LIST ............................................................... 17
12. TAMPER-PROOF CAP ATTACHMENT .................................................... 17
13. CLEANING THE FILTER ................................................................................ 18
14. BLOCK DIAGRAMS
14.1. DA-250D .......................................................................................................... 19
14.2. DA-250DH ........................................................................................................ 19
15. DIMENSIONAL DIAGRAM ............................................................................ 20
16. SPECIFICATIONS
16.1. DA-250D CU .................................................................................................... 21
16.2. DA-250DH CU ................................................................................................. 22
