The entire design of the keypad is based on the LK204-25-WB-V manual, and may be applied to other models with slight alterations, such as the LK204-25PC I.E. if you have a model that supplies 12v ...

A new pre-assembled front panel, the VP4546, integrates a graphic LCD module with a customizable keypad. Targeted at low-volume user-interface applications such as instrumentation ...