BoomToneDJ UHF-290d Mode D'emploi page 18

HANDHELD MICROPHONE OPERATION
Under working status, press and hold ON/OFF button until see OFF, then the microphone is off.
• Remove the battery cover, insert a rechargeable lithium battery, 18500 type (3.7V, 1100mAh)
respecting the polarity.
• Press and hold ON/OFF button for 3 secs, if the LCD display does not light up, check whether
the battery is in correct polarity or if the battery is low power. If the battery indicator of LCD
display is flashing, please change it or charge it if possible.
• The microphone can only work under the same frequency as the Receiver.
Note that the last frequency used remains saved inside the microphone, it is therefore not
necessary to reboot it if no changes had been made.
Note: The SYNCING period is within 30 seconds.
Handheld microphone using technique
• Don't hold the microphone capsule
• Avoid holding the microphone on antenna position
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antenna
position
antenna
position