Netum C750 Manual De Instrucciones página 13

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