HEARO 787 SURROUND
11
1.1 Safety
1.2 Environment
2.1 Introduction
2.2 Unpacking
2.3 Optional Accessory
2.4 General Description
2.5 IVA - Individual Virtual
Acoustics
1. Operate the headphones with two AAA size 1.2 V rechargeable (supplied) or 1.5 V dry batteries only.
2. Never try to charge dry batteries using the transmitter’s charging feature.
3. Before charging the headphones batteries, always make sure that the batteries in the headphones are
rechargeable types.
4. Dispose of spent dry or rechargeable batteries conforming to local waste disposal rules. Never throw bat-
teries into the fire.
5. Operate the transmitter with the supplied 9 VDC, 500 mA AC adapter only. Check that the AC voltage stat-
ed on the AC adapter is the same as that available in your country. Using the transmitter with a different
AC adapter voids the warranty.
6. Always switch the headphones OFF after use.
7. Never try to open the headphone or transmitter case. Refer servicing to qualified service personnel only.
8. Never place the equipment near heat sources such as radiators or electric heaters, or expose it to direct
sunlight, excessive dust, humidity, rain, vibrations, or impacts.
9. Never use alcohol, petroleum-based cleaners, or paint thinners to clean the headphone or transmitter
case.
10.If you do not use your transmitter for an extended period of time (e.g., when traveling), disconnect the AC
adapter from the AC outlet.
11.Use the equipment for the applications described in this manual only. AKG cannot accept any liability for
damages resulting from improper handling or misuse.
12 Also refer to section 4.1 Important Notes.
1. The AC adapter will draw a small amount of current even when the equipment is switched off. To save ener-
gy, disconnect the AC adapter from the power outlet if you will leave the equipment unused for a long peri-
od of time.
2. When scrapping the equipment, separate the case, circuit boards, and cables, and dispose of all compo-
nents in accordance with local waste disposal rules.
3. The packaging of the equipment is recyclabe. Dispose of the packaging in an appropriate container pro-
vided by the local waste collection/recycling entity and observe all local legislation relating to waste dis-
posal and recycling.
Thank you for purchasing an AKG product. This Manual contains important instructions for setting up and
operating your equipment. Please take a few minutes to
read the instructions below carefully before
operating the equipment.
Please keep the Manual for future reference. Have fun and impress your audience!
If you have any questions beyond the scope of this Manual, do not hesitate to visit our website at:
http://www.akg.com
Your headphones system comprises the following components:
•
1 HEARO 787 SURROUND transmitter
with integrated battery charger
•
1 pair of headphones
•
1 stereo connecting cable
with gold plated connectors (mini jack to 2 x RCA connectors)
•
1 mini jack to 1/4" jack adapter
•
1 9 VDC, 500 mA AC adapter
for powering the transmitter
•
2 1.2 V AAA size NiMH rechargeable batteries
for powering the headphones (inside the headphones)
•
Warranty Card
Check that the package contains all the items listed above. If any item is missing, please contact your AKG
dealer.
•
External charger
for headphones
This headphone system
•
uses state-of-the-art UHF radio transmission technology;
•
connects to any audio, video, TV set, PC, or game console with a headphones or line output;
•
provides perfect sound reproduction, full mobility, and signal transmission through walls and ceilings over
a distance of up to 330 feet (100 m);
•
provides three selectable carrier frequencies and an "Autotuning" function that automatically tunes the
headphones to the transmitter frequency for optimum reception;
•
uses proprietary IVA technology for exceptionally realistic, three-dimensional listening;
•
features an integrated Dolby Surround Pro Logic decoder for perfect reproduction of hi-fi, TV, PC, or video
sound in Dolby Surround format as well as computer game sound effects;
•
provides a LOGIC7 decoder for adaptive simulation of up to eight loudspeakers with automatic adjustment
to the input signal format and full compatibility to Dolby Surround.
One drawback of headphone listening is the psychoacoustic phenomenon of "inside localization": the orches-
tra seems to play inside your head rather than in the room. AKG developed a binaural audio processing tech-
nique called IVA (Individual Virtual Acoustics) that models the way the head and pinnae change the arriving
1 Safety and Environment
2 Description
