Netum E800 - Beep Volume; Function Key Mapping

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Beep Volume
$BUZZ#1
*High Volume
$BUZZ#
Low Volume
$KEY#MO
*Disable Function Key Mapping
By scanning the appropriate barcode below will change the beep volume.
$KEY#M1
Enable Function Key Mapping
Function Key Mapping
When Function Key Mapping is enabled, function characters are sent over
the keypad.
$BUZZ#0
Mute