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                                    How to change the frequency range of the ii910

The ii910 ships defaulted in the frequency range of the ii900 which is 2kHz to 52kHz and the flash screen at boot up identifies as "ii900". 
To put in the higher frequency range of the ii910 which is 2kHz to 100kHz first turn the device on.
 
. Touch the screen to activate the menu options
. Select acoustics
. Select the “High Frequency” to increase the range to 100kHz.
 
Keywords: ii910