Logic Instrument Fieldbook E1 - Left View

Fieldbook) E1) User’s) Guide)
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2.1.3. Left View
Fieldbook E1 Left View
Item
Description
1. 3.5mm headphone
jack
Connects an external 3.5mm 4-conductor TRRS
(stereo-plus-mic) headphone
2. Battery on/off
switch
Enables/disables battery power
3. Micro USB OTG
port
Connects USB devices like mouse, keyboard,
and others to the device
4. SIM card slot
Requires a micro SIM card
5. Power button
Turns the device on/off. Resumes the device from
standby mode
6. Volume up button
Increases the volume
7. Volume down
button
Decreases the volume
8. I/O ports door
Covers the I/O ports