The Singing Machine ISM2040 Instruction Manual page 8

Connections
Charging the unit
NOTES:
• Make all connections prior to plugging the AC adaptor into a power outlet.
• The AC adaptor has a polarized plug that fits into the AC outlet only one way. If the plug
does not fit properly, turn it over and try again. Do not force and do not file or cut the wide
blade.
• The provided AC adapter can only support to charge the built-in rechargeable battery.
Connecting the Wireless Microphone(s)
u
Insert the AC power cord into a
conveniently located AC outlet having
120V AC, 60Hz.
Rotate the MIC VOLUME/VOCAL OFF
control, the Mic indicator 1 and 2 will
appear in display and flash.
Slide the Wireless Mic's ON/MUTE/OFF
u switch to the ON position. The Mic
indicator 1 or 2 will light solid.
NOTES:
• The working distance up to 30 feet/10
meters measured in open space.
• If there is no audio input for 15 minutes,
the wireless mics connection will
automaticlly turn off. Rotate the MIC
VOLUME/VOCAL OFF control to
reactivate the connection.
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