Alto Aviation ASW-283 Посібник з експлуатації - Сторінка 9

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PRODUCT MANUAL
When connecting this unit to another manufacturer's product, consult the manufacturer's
specifications and installation instructions pertaining to their equipment.
The conditions and tests for TSO approval of this article are minimum performance
standards. Those installing this article, on or in a specific type or class of aircraft, must
determine that the aircraft installation conditions are within the TSO standards. The
article may be installed only following 14 CFR part 43 or the applicable airworthiness
requirements.
2.2

Unpacking and Inspection

Carefully open the packaging and remove the product. Visually inspect the unit for
evidence of physical damage during shipment. Retain the packing materials and all
documentation received with the unit. Verify that all components on the packing list have
been received.
If the unit has been damaged during shipment, call Alto at 800.814.0123. A claim must
be filed with Alto immediately after unpacking. Alto will assign a RMA Number (Returned
Material Authorization) and give instructions for shipment. Please use the original carton
and packing materials for shipping back to Alto.
2.3

Wiring Requirements

Loudspeaker wiring should use twisted pair or twisted shielded pair wire. If twisted
shielded pair is used, the shield should be grounded at the amplifier end only.
Speaker wires that are too small will attenuate the signal to the speakers. The maximum
harness resistance between the unit and each speaker should be < .25 ohm. Harness
resistance can be measured by:
Disconnect the amplifier and speaker.
Short the harness pins together at the speaker end.
Measure resistance across the speaker output pins at the amplifier end of the
harness.
Avoid parallel runs or installation of audio signal cables in close proximity of transmitter
coax cables, high current DC power wiring, AC power wiring, or other high current
wiring.
Alto Aviation
86 Leominster Rd
PO Box 399
Sterling, MA 01564
Phone: 978.466.5992
800.814.0123
Fax: 978.466.5996
www.altoaviation.com
Size
Doc Type
A
PM
106511-283-4FXXXXPM
Drawing Number
Rev #
ASW-283
Date
9
2
01/26/15
Page
12
of