Adjustable trigger sensitivity – The trigger can be set to 8 sensitivity levels for both first and second trigger stage, ranging from short pull needed to fire a shot, to a long one. No modification to the trigger or the gearbox is needed, and the trigger sensitivity change is possible even in the field.

Precocking – Fast trigger response can be a matter of victory or defeat, especially in CQB situations. With precocking enabled, piston will remain in rear position after each shot with the spring already compressed, ensuring that next shot will be fired immediately after you pull the trigger. To release the spring after using precocking, pull the trigger and hold it for 2 seconds, after which a second shot will be fired, this time with no precocking and fully braked.

Active brake – active brake stops the motor after each shot preventing spring compression or in case of replicas with high rate of fire, overspin (double shot problem).

User can choose firing modes available after short or long pull of the trigger:

SEMI ONLY, BINARY, SEMI-AUTO, SEMI-BURST, BURST-AUTO.

Electronic resettable fuse

Selectable firing modes

Rate of fire reduction

Break force adjustment

Adjustable trigger sensitivity

DMR mode

DSG mode

Diagnostic system

Break force adjustment

Custom cut-off lever for reliable single fire

Adjustable Clicker with pretravel and overtravel

Programming supported with a multicolor LED diode

Active braked

Low battery alarm

rogramming of all the settings is done solely by selector and trigger. That allows changing the settings in any moment, in a matter of seconds, even under enemy fire. All settings are set independently for each selector position, so you can program the mosfet exactly the way you want, for example semi on semi and binary trigger on auto.

Low battery voltage alarm – Dedicated for Li-Po and Li-Ion batteries. Should the battery voltage fall to a dangerously low level, user will be notified by short sound signals that are repeated every minute. This may also be freely switched on and off.

Diagnostic system – Constantly monitors the replica and the mosfet itself. In case of any problems, immediately lets you know what it might be, making troubleshooting much easier.

Electronic fuse – Will save your replica and battery in case of a major malfunction. It will automatically disconnect the battery when a short circuit or blocked motor is detected.

https://perunairsoft.pl/g28_and_hk417.pdf