3 - 5
Feature Descriptions: Front, Bottom, and Right Panels
Back Button
By default, the Back button returns you to the previous screen. The back button is one of six
programmable buttons on the Dolphin 70e Black. You can reassign the button to launch
applications or execute commands. For additional information, see Changing Button
Assignments on page 6-5.
Bottom Speaker
The integrated bottom speaker sounds audio signals as you scan bar code labels and enter
data. The integrated speaker also supports playback of wave and MP3 files, software mixer,
and speaker phone for WWAN/GSM audio.
Digital Microphone
The integrated dual array digital microphones, located on the side and front of the terminal
provide audio input for handset voice calls when a headset is not plugged into the Audio Jack,
page 3-9. When a headset is plugged into the Audio Jack, the terminal defaults to the
microphone on the headset. By default, the front microphone is also used for speaker phone
calls, voice command audio input, and recording sound.
The digital microphones provide background noise cancellation for clear audio input. See
Voice Communication on page 8-4.
Important - Do not cover the side microphone with your hand when using the terminal for
phone calls. Both the front and side microphones must be free from obstruction for the noise
cancellation feature to function during handset mode calls.
Note: Noise cancellation is only available on WWAN equipped models.
End Button
By default, the End button disconnects a phone call or exits some applications if a phone call
is not in progress. See Voice Communication on page 8-4. The End button is one of six
programmable buttons on the Dolphin 70e Black. You can reassign the button to launch
applications or execute commands. For additional information, see Changing Button
Assignments on page 6-5.
Front Speaker
The front speaker is the receiver for handset voice calls. See Voice Communication on page
8-4.
Fastener for an Optional Wrist Lanyard or Stylus Tether
The fastener provides access for attaching an optional wrist lanyard or stylus tether.
General Notification LED
The light emitting diode (LED) located above and to the right of the LCD display flashes and
illuminates during resets, scanning/imaging, and taking a picture. The LED indicates that an
external power source is connected to the terminal. This LED can be programmed by various
software applications.
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