Toa A-1812 Bedienungsanleitung

OPERATING INSTRUCTIONSPA AMPLIFIER A-1803A-1806A-1812Please follow the instructions in this manual to obtain the optimum results from this unit.We als

108. PRIORITY FUNCTIONS8.1. Telephone Paging Input (voice-activated priority) With the Function switch No. 4 set to ON, voices applied to the Telephon

11Over 10 cmOver 10 cmOver 10 cm9. SPEAKER ZONE SELECTIONPressing the front-mounted ZONE 1 switch permits its zone indicator to light and makes broadc

1213. DIMENSIONAL DIAGRAM (Applicable to all models) 107.788.4Unit: mm367420326.518.512. CONTROL SETTINGS Output levels are adjustable with individual

1314. INTERNAL MODIFICATIONS Control circuit boardMain circuit boardRear panelSJP102 (EMERGENCY)SJP400 and SJP401 "T400" for mounting the IT

1415. BLOCK DIAGRAM +++87654321MOH OUT0 dB/600 ΩEMERGENCY0 dB/10 kΩTEL PAGING– 20 dB/10 kΩMIC 1–60 dB/600 ΩMIC 2–60 dB/600 ΩMIC 3–60 dB/600 ΩAUX 1 (MO

1516. SPECIFICATIONSModel No. A-1803 A-1806 A-1812Power Source 220 – 230 V AC or 240 V AC, 50/60 Hz24 V DC (M4 screw terminal*1)Rated Output 30 W

*1Distance between barriers on the above screw terminals: 7 mm (M3 screw), 9 mm (M4 screw) *20 dB = 1 V *3Can be transformer-balanced with the additio

2TABLE OF CONTENTS1. SAFETY PRECAUTIONS ... 32. GENERAL DESCRIPTION ...

31. SAFETY PRECAUTIONS • Be sure to read the instructions in this section carefully before use.• Make sure to observe the instructions in this manual

4• Do not block the ventilation slots in the unit's cover.Doing so may cause heat to build up inside the unitand result in fire.• Avoid installin

5This figure represents the A-1812.13245 67 8910 1112This figure represents the A-1812.2122 231314 15 1618 1917202724 25 262829303132[Rear] [Front] 33

614. Ground terminalA functional ground terminal.15. DC input terminalsConnect to a 24 V DC power supply.16. Output terminals Connect to speakers. Out

7Be sure to attach the supplied terminal cover after connection completion. Because high voltage isapplied to the speaker terminals, never touch these

85.3. Emergency Input and Control Input Terminal Connections A-1803A-1806A-1812REMOTE OUT CONTROL EMERGENCYREC OUTLINE OUTTEL C12LINE OUTLINE INHEMER-

95.4. Telephone Paging Input Terminal Connection TEL PAGINGCGHCGHWhen using a single-core shielded cable, connect the shield mesh to both G and C term