LightSpeed Technologies Personal FM System LES 370 Series - Manual (Page 5)

Controls/Functions
LES 370R Receiver
1. LISTENER VOLUME KNOB: Increase or decrease headphone sound
by turning this knob. Level is increased by turning the knob clockwise.
2. EARPHONE JACK: Plug your headphones or earphones into this
jack to transmit the sound received from the transmitter to the
listener’s ear. This jack accepts a 3.5 mm (1/8 inch) mini-plug;
any standard stereo headphones may be used.
3. POWER LIGHT: When power is switched to the ON position,
this red LED indicator will light.
4. POWER SWITCH: Slide switch to the left to turn power ON; slide
switch to the right to turn power OFF.
5. CHANNEL SELECTOR: This slide switch is used to change the
operating channel on the Receiver. The Transmitter must be set to
the same channel (A or B) to send a signal to this Receiver.
6. AUDIO OUT: This is used to connect the 370 Receiver to a com-
puter rather than listener headphones. This jack accepts a 2.5 mm
mini-plug. The level is adjustable from 0 to 10 millivolts with the
Audio Out Adjust (see below).
7. AUDIO OUT ADJUST: This functions similar to a volume con-
trol for the Audio Out feature. Output level is increased by turning
this control clockwise using a small screwdriver.
8. DC 3V CHARGING JACK: This jack is used to recharge the
battery while installed in the Receiver using one of the Battery
Chargers included in your system.
LES 370T Transmitter
1. TEACHER VOLUME KNOB: Turning this knob increases or
decreases output volume. Turn clockwise to increase volume of
the teacher’s voice signal.
2. MIC JACK: Insert your microphone plug securely into this jack.
This jack accepts a 3.5 mm mini-plug if you are connecting
another audio input signal.
3. POWER LIGHT: When power is switched ON, the red LED will
light.
4. POWER/MUTE SWITCH: This switch has three positions, ON,
MUTE and OFF. Slide switch all the way left to turn power ON;
slide switch all the way right to turn power OFF. The center MUTE
position turns the microphone off without turning the Transmitter
power off.
5. CHANNEL SELECTOR SWITCH: This switch is used to change
between channel A and B. Remember, the Receiver must be set
on the same channel (A or B).
6. DC 3V CHARGING JACK: Use this jack and one of the enclosed
Battery Chargers to recharge the battery while it is installed in the
Transmitter.
Controls/Functions