Interacting With The E4; Button And Led Indicator Light - Empatica E4 User Manual

5. INTERACTING WITH THE E4

Button and LED indicator light

The E4 is controlled with a push button interface
Status is viewed from the E4's multi-color LED indicator light
BUTTON
1
Button interactions
The E4's push button interface will trigger different actions depending on the duration of the
button press.
1
TAP
< 1 SEC
Tap the button to tag an event
while recording.
The light will come on for 1
second indicating a tag has
been registered
.
1
PRESS
2 SEC
Press the E4 button to power
on/off.
The E4 records automatically
40s after powering on.
empatica 2015
©
2 .
STATUS LIGHT
HOLD
> 5 SEC
Hold the button to reset your E4.
i.e. Use it when updating the
firmware.
2
23