Sennheiser e840 Instructions For Use Manual page 12

Features
Rugged metal body
Shock-mounted capsule
Frequency-independent directivity
Exceptional feedback rejection
Excellent vocal projection
Humbucking coil
Delivery includes
840 / 840 S microphone
MZQ 800 microphone clamp
Pouch
Instructions for use
Warranty Certificate
ON/OFF switch ( 840 S only)
Use the screw to lock the switch in the ON position. With
the switch set in the ON position, gently turn the screw
head 90° to lock the switch in position.
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