... T04 transmitter EAS System TEC-506 EAS System Security Anti-Alarm System TEC-506 Transmitter Technical Instruction1. Main technical parameters: Input ... power switch, and adjust R14 to let of EAS: displaying 1000±50KHz. If no EAS tester, use oscillograph for adjustment, firstly ... frequency), T04 receiver does not need adjustment.4. Sound/light alarm device If JP2 setting is 1&2 (factory setting), sound ...