OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 30
Operating Headphones
1.Power Switch
Press to activate the headphones. The power on the headphones will turn off automatically if an audio signal is not detected for over a minute.
2.Volume Adjustment Switch Adjusts the volume of the sound in the headphones.
Note:
•Headphones are not to be worn by the operator of the vehicle when driving.
•Do not leave the headphones in a place subject to direct sunlight or extreme temperatures.
•If the headphones are exposed to direct sunlight for an extended period of time, the sensitivity of the IR receiver maybe affected causing poor sound quality. Allow headphones to cool off before using.
Battery Installation
1.Slide the battery cover door downwards.
2.Insert new “AAA” batteries into battery holder following diagram inside the battery holder.
3.Slide the battery cover door back onto the headphones.
Note: When the batteries become weak in the headphones, the audio can sound distorted or cut in and out.
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