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Battery
Door
Tab
Left Ear
Right Ear
IRH-281 Two Channel Infrared Headsets
1/16/15
The IRH-281 headsets receive “Hearing Impaired” audio (dialog centric audio at a user adjustable loudness)
and “Audio Description” audio (formerly Visually Impaired –Narrative, a description of the movie action to aid
visually impaired individuals). The
infrared signal carries the HI audio
at 2.3 MHz and the AD signal at
2.8 MHz. The IRH-281 is powered
by two AAA batteries.
Batteries
When new batteries are needed, remove the battery cover by pushing the tab up and lifting the cover off.
Install AAA batteries with the + (positive) end as indicated above. Re-install battery cover.
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plugging in their personal
neck loop or earphones into
the jack. If left on, and the
headsets are not receiving a
signal, the headsets will shut
OFF after 5 minutes.
ON/OFF
Switch
B
Volume
Control
A
Volume
Control
Monitor
Switch
Hearing Aid/Earphone
Jack
Adjustable Headband
Adjust the headband to the size needed for the individual patron by pulling or pushing the ear pieces.
Controls
Use the ON/OFF switch to turn the unit ON or OFF. Adjust the “Hearing Impaired” channel (Volume A) and/or
the “Audio Description” channel (Volume B) as desired to achieve a comfortable listening level. The IRH-281
allows a blend of HI and AD to be heard with the mix adjusted by the patron. The monitor switch will mute the
sound while the monitor button
is held in. The patron may use
the headset as a receiver by
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LED
OFF
LED
Red-
Switch
A
Switch
B
LED
Green-
Switch
ON
Switch
OFF
Switch
ON
(Not Receiving Signal)
(Receiving Signal)
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