11
Figure 15: WIR RX18 Under-the-chin Receiver
Optional Infrared Receivers
RX22-4 FRONT
RX22-4 TOP
On/Off
Volume Switch
Earphone
Jack
"On"
Indicator LED
Channel
Selector Knob
OFF
RX22-4 FRONT
RX22-4 TOP
On/Off
Volume Switch
Earphone
Jack
"On"
Indicator LED
Channel
Selector Knob
OFF
Channel
Frequency
1
2.3 MHz
2
2.8 MHz
3
3.3 MHz
4
3.8 MHz
Figure 13: Four Channel Receiver, Model WIR RX22-4
Figure 14: WIR RX15-2 Headset Receiver
WIR RX18 Front View
Infrared
sensor
Infrared
sensor
Battery
Cover
Power &
Channel Switch
Power &
Channel Indicator
Audio Input Jack
Monitor Button
Power &
Channel Switch
Power &
Channel Indicator
Volume Knob
RIGHT EARPHONE
LEFT EARPHONE
