Audio-Technica M3 Handbuch Seite 8

How to make setting changes on the M3R Stereo Receiver
Touch
touch (Note: When the M3R Stereo Receiver is first
powered on, the LCD's timed backlight is on. After the backlight
has timed out, a touch of the Set or Up/Down arrows turns the
light on again. In this case, you will need to touch the Set button
twice in order to change a receiver function, since the first touch
will simply turn the backlight on.)
M3R Stereo Receiver Functions
LM
LM
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LM
Touch
FREQ
STORED
escape from Edit mode without making any changes, touch the
Mode/Set button. "ESCAPE" appears briefly in the display, and the
receiver returns to Menu mode.
EDIT
Hold
Touch
Note:To