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to any of the following frequencies by moving the switches.
JR/900S STEREOPHONE CONTROLS ON/OFF Switch
Place this switch in the ON position when using the stereophones. Place the switch in the OFF position when you are charging the battery pack or when you are charging the battery pack or when the stereophones are not in use.
Recharge Jack
Located at the bottom right earcup. The recharge cable from the transmitter connects here for recharging.
"ON" LED
Located on the right earcup. This indicates the stereophone is operating.
Volume Control
Located on the left earcup. Turn this split dual control that allows the left and right channels to be adjusted together or independently.
Stereo/Mono switch
Located on the left earcup. The LED is lit green when the stereophone is receiving a stereo signal. The LED is lit red when the signal scan is made. The red/green LED is not lit when receiving a signal and the stereophone is switched to "mono."
Selector Button
Located on the front surface of the left earcup. Press this switch to make the receiver scan for the signal being transmitted and then to lock that signal. Repeat this step if necessary.
TO CONNECT THE KOSS JR/900 TO YOUR SYSTEM
1.Plug the AC adapter into the wall outlet. Connect the AC adapter line out into the far
2.Connect dual RCA ends of the dual RCA to 3.5mm connecting cord to the left and right RCA input jacks on the rear of the JR/900 Transmitter.
3.Plug the remaining 3.5mm end of the dual RCA to 3.5mm connecting cord into the headphone jack on your audio or video source. The source should be off during the connection.
NOTE: If the headphone jack on you audio source is 1/4," attach the 1/4" adapter plug to the remaining 3.5 mm end of the dual RCA to 3.5 mm connecting cord before connecting to audio source.
4.Now are you ready to enjoy your unit:
A. Turn on the audio source
B. Switch on the JR/900 Transmitter. The red LRD located on the unit will glow to indicate that the unit is operating.
C. Turn the Volume control on the JR/900 Stereophone to a low level and switch on the Stereophone. The glowing red LED indicator will confirm that the unit is operating.
D. The LED on the left earcup will glow green when a clear frequency has been locked in, it glows red when scanning for a signal. The red/green LED is not lit when receiving a signal. The red/green LED is not lit when receiving a signal and the stereophone is switched to "mono."
E. Adjust the volume to the desired listening level.
F. Adjust level control on the transmitter for a
G. Remember to always switch off the stereophone and the transmitter when the system is not in use,
TO RECHARGE THE NICAD BATTERY PACK
Your JR/900 Cordless RF Stereophone System is equipped with a rechargeable NICAD battery pack with a
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