According to page 4 of the i--- Ez Frisk Manual:
Unlike generic electronics, the i--- Ez Frisk operates on a dynamic frequency algorithm. Without the manual, users often face: i--- Ez Frisk Manual
Furthermore, the manual contains vital safety warnings regarding the handling of sampling cartridges and the proper disposal of consumables. Failure to adhere to these guidelines can result in false positives, compromised legal evidence, or, in rare cases, safety hazards to the operator. According to page 4 of the i--- Ez