Major  function improvements-

1. TX Audio quality on the DV mode.
2. Improved readability on  receiving weak RF signal in DV mode.
3. Canadian version is added.

• Optional OPC-2218LU data cable is       required.
• The firmware update is NOT       available through a microSD card.
• This firmware update is for both       CPU and DSP.           Make sure the version numbers of firmware before updating the firmware.
• Please read "Firmware update information" (760KB) thoroughly and make sure of what is required for the firmware update.
• Never turn off the transceiver       power or disconnect the data cable while the updating is being performed.
• Save the setting data, memory data       and repeater list of your transceiver to a microSD card or to the PC with the       CS-31 cloning software before performing the firmware update.
•         Fully charge the battery before updating firmware in  order to avoid power failure during update work.