handkey dip switch

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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 F1-style main board with additional RAM.  Please ...
The newer "programmable" RF transmitters/receivers will not work with the older "dip switch" transmitters/receivers. The frequency and coding are different.
Caution: Resetting/cold booting a biometric handreader resets the handreader to factory default settings and erases the user database. To reset or cold boot a biometric F-Series handreader with ...
The easiest way to determine if a biometric F-Series handreader has a F1 or a F3 style main board is to look at the back of the unit.  If there are dip switches, then it is a F1 style main board wh...