OPERATING INSTRUCTIONS

MULTICHANNEL POWER AMPLIFIERS

DA-550F CU

DA-500F-HL CU

Thank you for purchasing TOA's Multichannel Power Amplifier.
Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
1. IMPORTANT SAFETY INSTRUCTIONS ... 2
2. SAFETY PRECAUTIONS ........................... 3
3. GENERAL DESCRIPTION ......................... 4
4. FEATURES ................................................. 4
5. HANDLING PRECAUTIONS ...................... 5
6. INSTALLATION PRECAUTIONS .............. 5
7. NOMENCLATURE AND FUNCTIONS
Front ............................................................ 6
Rear ............................................................ 7
8. SETTINGS AND CONNECTIONS ............... 9
8.1. Switch Settings and Speaker Connections
... 10
9. REMOVABLE TERMINAL PLUG
CONNECTION ........................................... 12
10. INPUT SENSITIVITY SETTING ................. 13
11. PROTECTION OPERATION LIST ............ 13
12. TAMPER-PROOF CAP ATTACHMENT ... 14
13. CLEANING THE FILTER .......................... 14
14. DIMENSIONAL DIAGRAM ........................ 14
15. BLOCK DIAGRAMS
15.1. DA-550F ............................................ 15
15.2. DA-500F-HL ...................................... 15
16.
HOW TO USE THE CONTROL/MONITOR TERMINALS
16.1. Control Terminal (Input) .................... 16
16.2. Monitor Terminal (Output) ................. 16
16.3. About Pin 7 of the Control/Monitor
Terminals .......................................... 17
16.4. Terminal Pin Arrangement ................ 17
16.5. Connection Cable and
Maximum Cable Length .................... 17
16.6. RJ45 Connector's Pin Arrangement
and Cable Color Codes ..................... 18
17. SPECIFICATIONS
17.1. DA-550F CU ..................................... 19
17.2. DA-500F-HL CU ................................ 20

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