On their website, they show the PX6 with the Focan M5 LCD. You can gamble on it working with your controller or replace both the controller and LCD as a matched pair. See the image half-way down the Web page:
➤【Powerful 750W Motor】 Up to 750W motors provide enough power and reduce your energy consumption while you're ridding. Allows you to navigate snow, beach, mountains and other terrain with ease. With speeds up to 25mph↥,it will get you there swiftly. ➤【Large Capacity Battery】 48V 12AH Samsung...
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Your Paselec bike manual on P6 says they've password protected it though: It may be that Paselec have had various options disabled, changed, or protected from the standard features described in the manual.