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
batteries into the fire.
5. Operate the transmitter with the supplied 9 VDC, 500 mA AC adapter only. Check that the AC voltage
stated 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 transmit-
ter 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 liabili-
ty for damages resulting from improper handling or misuse.
12 Also refer to section 4.1 Important Notes.
1. Be sure to dispose of used batteries as required by local waste disposal rules. Never throw batteries
into a fire (risk of explosion) or garbage bin.
2. When scrapping the equipment, remove the batteries, separate the case, circuit boards, and cables,
and dispose of all components in accordance with local waste disposal rules.
3. The packaging of the equipment is recyclabe. To dispose of the packaging, make sure to use a col-
lection/recycling system provided for that purpose and observe local legislation relating to waste dis-
posal and recycling.
Dear Customer:
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 headphone system comprises the following components:
1 pair of
1 HEARO
1 AK 1
HEARO
888
RCA to
DIGITAL
DIGITAL
RCA
head-
transmitter
stereo
phones
connect-
ing cable
Check that the package contains all the parts listed above. If anything should be missing, please contact
your AKG dealer.
• HEARO 888 DIGITAL Card
• External charger for headphones
This headphone system
• uses state-of-the-art UHF radio transmission technology;
• uses digital signal transmission and digital antenna diversity for high transmission quality;
• connects to any audio, video, TV set, or PC with a headphones or line output or a coaxial digital out-
put;
• provides perfect sound reproduction, full mobility, and signal transmission through walls and ceilings
over a distance of up to 165 feet (50 m);
• provides three selectable carrier frequencies;
• 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;
• provides a LOGIC7 decoder for adaptive simulation of up to eight loudspeakers with automatic adjust-
ment to the input signal format and full compatibility to Dolby Surround;
• offers several sound presets and a special interface for loading selected ear matching curves from an
optional chip card.
HEARO 888 DIGITAL
1 AK 2
1 DK 2
1 mini to
mini jack
coaxial
1/4"
to 2 x RCA
digital
stereo
stereo
cable
adapter
connect-
ing cable
1 Safety and Environment
1.1 Safety
1.2 Environment
2 Description
2.1 Introduction
2.2 Unpacking
1 9 VDC,
2 1.2 V
500 mA
AAA size
AC
NiMH
adapter
recharge-
able bat-
teries
2.3 Optional Accessories
2.4 General Description
13