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LES 600 OPERATING INSTRUCTIONS 19
Low Volume
• Check volume level on Receiver and adjust as necessary.
• If volume is too low, check the “MT” adjustment inside the
battery compartment of the belt-pack Transmitter. Clockwise
adjustment of the “MT pot” will increase volume.
Sound Fades In and Out (Drop Out)
• Confirm Amplifier antenna is securely attached and visible from
all areas of the room where the Transmitter is operating.
• Test transmitter with fully charged batteries. You can use any
known, good quality batteries for testing.
No Sound From Speaker
• Confirm the Transmitter and Receiver have matching
frequencies. Check both MIC 1 VOLUME and MIC 2
VOLUME. If system is equipped with optional Mic 2 Receiver,
look for second antenna on back of Receiver/Amplifier.
• Confirm the plug on the microphone cable is securely fitted
into the Transmitter microphone jack.
• Confirm Amplifier power supply is the correct type, is
connected securely in the wall outlet and into the back of the
Receiver/Amplifier.
• Turn on Receiver/Amplifier; confirm that the POWER light
located on the front panel is on.
• Check volume.
• Turn on Transmitter and confirm amber RF light, located
on the front panel of the Receiver/Amplifier, flashes when
speaking into the microphone.
• Confirm batteries in the Transmitter are good. The red
battery indicator light should flash once as you turn on the
Transmitter. The same holds true with the hand-held micro-
phone. If the red light stays on, your batteries are low.