Acer Iconia One 7 B1-730HD Service Manual - Page 9
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shouldn't be over -13dB.
[VoIP-handheld hands-free] Handheld hands-free sending loudness should be 15dB at 30cm and
handheld hands-free receiving loudness should be 10dB at 30cm.
Headphone application must meet EN50332.
Single analog Microphone.
ASR assist
Camera
Camera
Button
POWER
Volume UP/Down
Front camera : 0.3MP (640x480) Camera with Fix Focus (OV7695)
Rear camera : 2MP Camera with Fix Focus (OV2675/ OV2655)
Long press > 1 second (±10%) to power on (when device is off).
Long press 1 second to show power-off dialog (when device is on even in
lock state)
Press to suspend the device (when device is on)
Press to resume the device (when device is in suspend mode)
Once if the system resumes, system will be back to lock screen.
If system is in lock screen, without unlock by user, the system will
suspend after 10 seconds
Long press 5 seconds (±1%) to force power-off device (when device is on,
or in power-on procedure, or in lock state)
The method to lunch boot menu:
Hold volume up and press power key for 1 second
Release power key
Release volume up
Volume up/down: Press to increase/decrease the volume
Press upper key to volume up in landscape mode, both of 0° orientation
and 180° orientation; The other to volume down.
Press the right key to volume up in portray mode, both of 90° orientation
and 270° orientation; The other to volume down.
[the below diagrams are for reference only]