PS Engineering 12000, The Muse 12000 Operation Manual
4 The Muse® User Manual
PS Engineering, Inc. 2004 ©
Copyright Notice
Copyrighted information in this manual is subject to change without notice. PS Engineering
reserves the right to improve or change the products or contents of this manual, without
notification of any person or agency. The contents of this pilot’s guide may be downloaded,
stored and reprinted for personal use provided that this copyright information is included.
Commercial use is strictly prohibited. For further information contact the Public ations Manager
at PS Engineering, Inc., 9800 Martel Road, Lenoir City, TN 37772. Phone (865) 988-9800
out” of the device. This output usually has a volume control associated with
it so that you will have the ability to adjust the music listening level. You
may use the “remote out,” however; the performance of The Muse may not
be optimized.
Battery Replacement
Once the 9-Volt battery has been exhausted, it is easy to replace with a new
one. Slide the back panel in the direction indicated by the arrow. Remove
the battery and install the new one. Replace the battery cover, being certain
to slide it in its track. This completes the battery replacement.
Specifications
Battery type: 9-Volt Alkaline
Battery Life: Minimum of 40 hours of continuous operation
Frequency Response: 200 Hz to 15 kHz
Output Power: 150 mW into a 150 Ω load (75 mW in mono mode).
Warranty: One year from purchase
Headset Modification
If you would like to have your current headset modified for high-fidelity
stereo, send $75.00, along with your headset to the address below. PS Engineering, Inc. will replace your old speakers with proprietary high fidelity
transducers, replace the interface cord with a mono-stereo selectable type,
and replace the volume control on the headset.
Warranty and Service
In the event the unit fails, send unit to:
PS Engineering, Inc.
Attention: Service
9800 Martel Road Lenoir City, TN 37772
Phone (865) 988-9800 FAX (865) 988-6619
www.ps-engineering.com
1 The Muse® User Manual
9800 Martel Road
Lenoir City, TN 37772
www.ps-engineering.com
The Muse®
The Muse®
The Muse®
Personal Entertainment Device
Operation
Operation
Operation
Guide
Guide
Guide
Item Part Number 12000
July 2004
July 2004
2 The Muse® User Manual
Welcome to the family of PS Engineering, Inc. aircraft audio products. We
hope that your new The Muse® will exceed your expectations in craftsmanship and audio fidelity.
Description
The Muse® was designed as a personal music device, allowing the incorporation of entertainment into an aviation headset. Through the use of state of
the art surface mount technology, the size of The Muse® was kept to an
absolute minimum. This keeps the cockpit as clutter free as possible. Additionally, all wires are permanently connected, preventing lost cables. Everything you need to hook up your entertainment device is integral to The
Muse™, so you’ll always be ready to ‘Listen to the Muse!’
The Muse® has two powerful output amplifiers that will easily drive gen-
eral aviation headsets. You’ll have plenty of output audio power even when
using the low level output signal that comes from the ‘Remote’ output from
most personal entertainment devices. There is even enough audio punch to
drive two headsets at the same time! (a Y-adapter is required).
Initial Power Up and Configuration
When you receive The Muse® a 9-volt battery (not supplied) must be installed before use.
The Muse® is configured at the factory for use with a stereo headset. Also,
the power jumper is configured for normal operation.
If you do not use a stereo headset, a simple modification must be performed
to convert The Muse® to mono.
A jumper must be moved in the
back of the device. To do this,
turn The Muse® until the battery
compartment is facing up. Remove the access cover by sliding
in the direction of the arrow.
Locate the left-most jumper
(Labeled Stereo). Using a small
needle nose pliers, lift the
jumper off from its posts and
store on a single post for later
use.
The other jumper located to the
right can be used to disconnect
the 9-volt battery for long-term
Stereo/Mono Power
3 The Muse® User Manual
storage (more than 1 month). By removing this jumper, the 9-volt battery is
totally disconnected and will prevent the power to drain.
Operation
The Muse® was designed to be very easy to use. With only one switch, and
no power on/off switch, it is virtually impossible to miss configure it.
Below is the configuration diagram showing interconnection for your general aviation headset and an entertainment device.
The Muse is
designed to
allow the addition to your
aviation headset hi-fi stereo
or monaural music. Whenever the aircraft radio becomes active (or intercom is
in use), The Muse® will
instantly mute the music to
a background level. When
the activity ceases, the music level is gradually
brought back to full level so as not to be startling. This feature is known as
“Soft Mute”. This switch on the unit allows you to inhibit “Soft Mute”
mode, permitting you to play music at a constant background level.
This mode of the “Soft Mute” circuit is sometime referred to as the Sing-
A-Long or karaoke mode.
The Muse® is always on, and monitoring the music input line that comes from the entertainment
device. When the entertainment device is not
playing, the unit is in the “sleep mode”. This
“sleep” mode requires an incredibly small
amount of current (l7µA). The instant that The
Muse® detects a signal on the music input line, it
turns itself on. When the signal goes away, it
turns itself back into the “sleep” mode. This is
completely automatic, you’ll never have to turn
the unit off, or unplug any cables.
The Entertainment Device
The Muse® was designed to work with portable Compact Disc or Cassette
players. Connect the cable that has the 1/8” stereo connector to the “headset
Aircraft Jack Entertainment. Device Headphone plug
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