Part No. IB035341
Dec 2019

Updating the PCR-MA Firmware
Download the latest PCR-MA firmware from the Kikusui Electronics Corporation website, and update thefirmware. To update the firmware, you will use the dedicated application KIKUSUI DFU GUI and the latest
firmware (.dfu file).
KIKUSUI DFU GUI uses an STMicroelectronics library.

Firmware update workflow“Downloading and installing the update tool”↓“Switching the PCR-MA to update mode”↓“Connecting the PCR-MA to the PC”↓“Running Kikusui DFU GUI and updating the firmware”↓“Clearing the PCR-MA update mode”↓“Checking the firmware version”

Firmware update is complete.

PCR-MA

KIKUSUI ELECTRONICS CORP.

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Updating the PCR-MA Firmware

Downloading and installing the update tool
Kikusui DFU GUI and the latest firmware (.dfu file) from the Kikusui Elec1 Download
tronics Corporation website (http://www.kikusui.co.jp/en/download/).
If you already have Kikusui DFU GUI, download only the latest firmware.

Kikusui DFU GUI in the PC
2 Install
Double-click the installer to start the installation wizard. Follow the instructions on the screen toinstall the application.

When you click Close on the Kikusui DFU GUI installation complete screen, the following window
will appear. Since there is no need to install the DFU Mode Driver, click No.

PCR-MA

KIKUSUI ELECTRONICS CORP.

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Updating the PCR-MA Firmware

Switching the PCR-MA to update mode

1 Check that the POWER switch is turned off, and remove the power cord.
a grounded metal object (for example, the metal parts of the rear panel) to2 Touch
discharge any static electricity from your body.
the screws shown in the following figure from the rear panel, and remove
3 Removethe cover or the option board

2-M3

ScrewsScrewsExample of IB22

Remove the cover

Remove the option board

the switch in the back of the option slot downward.
4 SlideThe PCR-MA switches to firmware update mode.

Lights in green when thePOWER switch is turned on infirmware update mode.

Slide the switch in the back ofthe option slot downward.

PCR-MA

KIKUSUI ELECTRONICS CORP.

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Connecting the PCR-MA to the PC

1 Connect the PCR-MA to the PC with a USB cable (standard TypeB plug)
the power cord, and turn on the PCR-MA’s POWER switch.
2 Connect
Nothing is displayed in the front-panel display area. Only the LED in the option slot lights.
Windows Device Manager, check that STM Device in DFU Mode is shown under
3 InUniversal
Serial Bus controllers.
If it is not, the PCR-MA is not connected.

4

KIKUSUI ELECTRONICS CORP.

PCR-MAUpdating the PCR-MA Firmware

Running Kikusui DFU GUI and updating the firmware
the taskbar, click Start, Kikusui DFU GUI, and KiDfuGui.
1 On
Kikusui DFU GUI starts.

2 Drag and drop the firmware (.dfu file) onto “Drag/drop a .dfu file to here...”Drag the file here.

Upgrade.
3 Click
The firmware updating starts.

4 When “Verify successful !” is displayed, click Close.

PCR-MA

KIKUSUI ELECTRONICS CORP.

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Updating the PCR-MA Firmware

Clearing the PCR-MA update mode
off the PCR-MA’s POWER switch, and remove the power cord. Slide the switch
1 Turnin the option slot upward.
The PCR-MA switches to normal mode.

the screws removed earlier, install the slot cover or option board in the2 Usingpanel.

Checking the firmware version
the power cord, and turn on the PCR-MA’s POWER switch.
1 Connect
To start the PCR-MA’s with the factory default settings, hold down RECALL, andturn the POWER switch on.
On the front panel, check the model and firmware version.
RANGE
155V

ALARM
AC

OVER LOAD
DCEXT

310V
AUTO
A

RMS

BPEAK

C

AVG
MEMORYLAN

KEY LOCKV
Hz

Top display
Model name (example of PCR500MA)

A
W
Hz

Bottom display
Firmware version (example of Ver. 2.01)

REMOTE

Firmware update is complete.
If your PCR-MA doesn't start even though you followed the procedure written here or if there are any items
that are not clear, contact your Kikusui agent or distributor.

PCR-MA

KIKUSUI ELECTRONICS CORP.

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