Sennheiser EM500 Instruction Manual page 39

Adjustment tips and functions
Menu
Squelch
Easy Setup Setup
Frequency Preset
Name
AF Out
Equalizer
Auto Lock
Advanced
Exit
Menu
Squelch
Easy SetupSetup
Frequency Preset
Name
AF Out
Equalizer
Auto Lock
Advanced
Exit
38
To adjust a gain greater than +18 dB (gain reserve):
Adjust a level of +18 dB.
Turn the jog dial to the right and hold it in this position for 3 seconds.
The next higher value (+21 dB) appears. The audio output level is
increased. Using this gain reserve also increases the headphone output
level.
Using the equalizer
Via the "Equalizer" menu item, you can change the treble and bass of the
audio output signal.
"Flat"
(output signal
"Low cut"
remains
unchanged) (cuts the bass)
Activating/deactivating the automatic lock mode
The lock mode prevents that the receiver is accidentally switched off or
programed during operation.
The lock mode icon
lock mode is activated. For information on how to use the lock mode, refer
to page 23.
"Low Cut/
High Boost"
(cuts the bass
and boosts the
treble)
on the current standard display indicates that the
"High Boost"
(boosts the
treble)