Polyend Play Manual
Read below 📖 the manual in Italian for Polyend Play (40 pages) in the Keyboard category. This guide has been helpful for 11 people and has been rated 4.5 stars on average by 2 users
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MULTICHANNEL POWER AMPLIFIERS
DA-250F CU
DA-250FH 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.
Note: The figure shows the DA-250F.
OPERATING INSTRUCTIONS
An all-pole mains switch with a contact separation of at least 3 mm (0.12") in each pole
shall be incorporated in the electrical installation of the building.

2
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
8.1. Switch Settings and Speaker Connections ...................................................... 10
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-250F ........................................................................................................... 16
14.2. DA-250FH ........................................................................................................ 17
15. DIMENSIONAL DIAGRAM ............................................................................ 18
16. SPECIFICATIONS
16.1. DA-250F CU .................................................................................................... 19
16.2. DA-250FH CU .................................................................................................. 20

3
1. IMPORTANT SAFETY INSTRUCTIONS
• Read these instructions.
• Keep these instructions.
• Heed all warnings.
• Follow all instructions.
• Do not use this apparatus near water.
• Clean only with dry cloth.
• Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
• Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including
amplifiers) that produce heat.
• Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades
with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide
blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult
an electrician for replacement of the obsolete outlet.
• Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and
the point where they exit from the apparatus.
• Only use attachments/accessories specified by the manufacturer.
• Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer,
or sold with the apparatus. When a cart is used, use caution when moving the
cart/apparatus combination to avoid injury from tip-over.
• Unplug this apparatus during lightning storms or when unused for long periods of time.
• Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been
damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have
fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or
has been dropped.
Note: This equipment has been tested and found to comply with the limits for a Class A digital
device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause harmful interference to
radio communications. Operation of this equipment in a residential area is likely to cause harmful
interference in which case the user will be required to correct the interference at his own expense.
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/TV technician for help.
FCC REQUIREMENTS
• This Class A digital apparatus complies with Canadian ICES-003.
• Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada.
Product Specifications
Brand: | Polyend |
Category: | Keyboard |
Model: | Play |
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