2
PMA7000B Pilot Guide
1 OPERATION
GENERAL INFORMATION
1.1 SCOPE
This section provides detailed operating instructions for the PS Engineering
PMA7000B Audio Selector Panel/Intercom Systems. Please read it care-
fully before using the equipment so that you can take full advantage of its
capabilities.
This chapter is divided into four sections covering the basic operating areas
of the PMA7000B systems. They are Audio Selector, Transceiver Selec-
tion, Intercom, and Marker Beacon Receiver.
PMA7000B controls
1.2 Power Switch (EMG-Fail Safe Operation)
Unit power is turned on and off by pushing the volume knob. In the OFF or
"EMG" position, the pilot is connected directly to Com 1. This allows com-
munication capability regardless of unit condition. Any time power is re-
moved or turned OFF, the audio selector will be placed in the fail-safe mode.
The power switch also controls the audio selector panel functions, intercom,
and marker beacon receiver.
MARKER INDICATOR LAMPS
PILOT & COPILOT VOLUME (INNER)
PASS VOLUME (OUTER)
IINTERCOM MODE
TRANSMIT SELECTORS
CREW ICS
CD MUTE CONTROL
SPEAKER CONTROL
11
PMA7000B Pilot Guide
202-780-0001
aural alert being played. There is no recording made if playing a recording
or annunciation.
Warranty and Service
2.1 Warranty
In order for the factory warranty to be valid, the installations in a certified aircraft
must be accomplished by an FAA-(or other ICAO agency) certified avionics shop
and authorized PS Engineering dealer. If the unit is being installed by a non-
certified individual in an experimental aircraft, a factory-made intercom harness
must be used for the warranty to be valid.
PS Engineering, Inc. warrants this product to be free from defect in material and
workmanship for a period of three (3) years from the date of installation as recorded
in aircraft logbook and/or on FAA Form 337. During the first twelve (12) months
of the three-year warranty period, PS Engineering, Inc., at its option, will send a
replacement unit at our expense if the unit should be determined to be defective
after consultation with a factory technician. For the remaining twenty-four (24)
months of the three-year warranty period, the unit must be returned to PS Engineer-
ing, Inc., or an authorized warranty service facility, for no-cost repair.
All transportation charges for returning the defective units are the responsibility of
the purchaser. All domestic transportation charges for returning the exchange or
repaired unit to the purchaser will be borne by PS Engineering, Inc. The risk of loss
or damage to the product is borne by the party making the shipment, unless the pur-
chaser requests a specific method of shipment. In this case, the purchaser assumes
the risk of loss.
This warranty is not transferable. Any implied warranties expire at the expiration
date of this warranty. PS Engineering SHALL NOT BE LIABLE FOR INCIDEN-
TAL OR CONSEQUENTIAL DAMAGES. This warranty does not cover a defect
that has resulted from improper handling, storage or preservation, or unreasonable
use or maintenance as determined by us. This warranty is void if there is any at-
tempt to dissemble this product without factory authorization. This warranty gives
you specific legal rights, and you may also have other rights, which may vary from
state to state. Some states do not allow the exclusion of limitation of incidental or
consequential damages, so the above limitation or exclusions may not apply to you.
All items repaired or replaced under this warranty are warranted for the remainder
of the original warranty period. PS Engineering, Inc. reserves the rights to make
modifications or improvements to the product without obligation to perform like
modifications or improvements to previously manufactured products.
2.2 Factory Service
The units are covered by a three-year limited warranty. See warranty information.
Call PS Engineering, Inc. at (865) 988-9800 before you return any unit. This will
allow the service technician to provide any other suggestions for identifying the
problem and recommend possible solutions.
After discussing the problem with the technician and you obtain a Return Authori-
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