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7. Updating Firmware on MR10A7
7-1. Entering Firmware Update Mode
Under normal circumstances, the MR10A7 boots into the Normal Operation Mode. The following steps will
move the MR10A7 to Firmware Update Mode and connect it to the Host PC’s RFID Utility, to facilitate
firmware upgrade through USB Virtual COM communication. Steps are as follow:
Step1:
Make sure that the MR10A7 is disconnected from the Host-PC.
Connect the MR10A7 to the Host PC using the Micro USB Cable.
Step 2:
Press the Function button and the Trigger button on the MR10A7, as per Figure 7-1. Hold both buttons,
do not release, and use a pin or a straightened paperclip to press the Reset button on the bottom, as per
Figure 7-2. The MR10A7 will enter the Firmware Update Mode.
Figure 7-1:
Press both buttons on the MR10A7 simultaneously.
Figure 7-2:
Press the Reset button
Step 3:
Still holding down the Function button and Trigger button, check the Device Manager on the Host PC to
see if a USB Virtual COM has appeared, as per Figure 7-3. Now release the Function button and the
Trigger button. The MR10A7 will automatically change its Communication Interface to USB Virtual COM.
Trigger Button
Function Button
Reset Button