GKC-DA System Program (Ver.1.02)


HOW TO KNOW THE SERIAL NUMBER
Before you start, check the following.
  1. Verify the serial number on the bottom of the GKC-DA unit.
  2. If the last four digits of the serial number are between [0001] and [2600], the unit requires an update.

UPDATE HISTORY
[ Ver.1.02 ] JAN 2025
Bug Fixes
  • Improved system stability.

WHAT YOU WILL NEED TO UPDATE YOUR GKC-DA
  • GKC-DA
  • USB cable
    * Provide a cable suitable for connection to the computer you're using.
  • A personal computer which can run the following SMF players ("UpdSMF")
    • UpdSMF ( SMF Player for Windows )
    • UpdSMF ( SMF Player for macOS )
    • UpdSMF ( SMF Player for macOS / OS X )
  • Computer (Windows or Mac) equipped with a USB port compliant with USB 2.0 or USB 3.0

CAUTION WHEN PERFORMING THE UPDATE
  • If you update on the normal mode of GKC-DA against the correct procedure, this update data may destroy the system program.
  • Never power-off your GKC-DA while the update is in progress!
    If a power failure or similar accident occurs during the update process, the GKC-DA won’t be able to start up in normal operating mode. This will require servicing, so you will need to contact Roland service center near you if this occurs.
  • We regret that we are unable to answer questions regarding the update procedure using this system program. Please perform the update responsibly, following the directions given in this document.

GETTING THE UPDATE FILE
Please open/extract the downloaded "gkcda_sys_v102.zip" file on your computer to get the update files in the "gkcda_sys_v102" folder.

PROCEDURE FOR THE UPDATE
Follow the steps below to install the system program in the GKC-DA.
* Never power-off the GKC-DA while the update is in progress.
  1. Connect the GKC-DA to the computer with a USB cable.
  2. Turn on the power of the GKC-DA.
    The POWER indicator on the GKC-DA blinks slowly.
  3. On the computer, run UpdSMF.
  4. Set MIDI Out Device to the GKC-DA.
  5. Click [ Path ] (click [ Select... ] for Mac) on "UpdSMF" and specify the location where the update files from SMF Path (SMF Folder for Mac). Then, click the [ OK ] button.
  6. Click [ Scan SMF ] (unnecessary for Mac) to check that the update file is displayed in the file list.
  7. Click Send.
    Sending of the update program starts.
    The power indicator on the GKC-DA blinks rapidly.
  8. The update is complete when the GKC-DA power indicator changes from blinking to lit.
  9. Turn off the power of the GKC-DA.

Destek