Firmware del handkey

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The following technical note describes in detail the process for upgrading a biometric F-Series HandKey or a biometric F-Series HandPunch main board with a new firmware chip. Note: A firmware upgr...
F-Series (Handkey and HandPunch) firmware upgrade
The following technical note describes in detail the installation process for upgrading a biometric F-Series HandKey or a biometric F-Series HandPunch with a modem communications mod...
When you see an Error 64 on a HandKey or a HandPunch, it may mean that the lithium battery is low or there is a disconnect with main board.  The first step is to replace the lit...