To check version, press and hold both [+] and [-] buttons and then power on, it enters Upgrade Mode.
It takes few seconds to display SoundFirmware(DFW) and SoundBank(SOUND) version.


==========Firmware(FIRM)===========
v11	Added RETRIGGER, CURVE and SCAN TIME for internal pads
	Fixed bug while setting pad to default in TRIGGER menu, some parameters and other triggers on the same pad are not restored
	Added shut down detect
v12	Updated one side LED panel in LED menu
v13	Fixed a side LED blinking issue
	Improved HH controller threshold and sensitivity process, added mask time
v14	Added a poweroff countdown notification
v15	The firmware is now reading the total kit number from the kit file
	When loop is playing, it does not auto power off now
v16	Fixed a bug that sound bank checksum faliure in test mode is not reported
v17	Fixed a bug that could stuck the unit in welcome screen
v18	Layer Type Hi-Hat is now closed under close point 
v19	Forbids upgrade in normal mode
v20	Added a seperate mode for soundbank checksum
	Fixed a icon and trigger indicator display bug in chain menu
v21	Fixed a cursor focus bug when setting chain name
	Fixed a seldom case which might cause timeout when power on
	Limited highest auto off duration to 20mins
v22	Cursor is now automatically swithced when turning layer on/off
	Goes back to kit mode after reset
	All cymbal choke aftertouch on the same cymbal are sent now, and follows notesend settings
v23	Improved scan time and rim shot process (reset trigger settings after update)
	Data is now saved before auto shutdown
v24	Reworked hihat controller settings, removed offsets, added splash point (reset trigger settings after update)
	Added a trigger lock in trigger menu
	Improved retrigger  (reset trigger settings after update)
	Replaced rim value with rim range
	Fixed a bug that setting default crosstalk is not applied to pad but trigger
	Improved Xtalk system
v25	Improved minimum velocity process
	Improved HiHat midi (cc04) data, it is more continuous now
	Fixed a bug that midi note is missing when layer B type is set to HiHat or Switch
v26	Improved HiHat Pedal Splash process  (reset trigger settings after update)


==========SoundFirmware(DFW)===========
0.7	Optimized project settings
0.8	Added shutdown detect
0.9	Fixed a case that sometimes USB drive removal is not detected
1.0	Fixed Snare head sound in Snare(pos) group are not applied with EQ3 and COMP, and not routed properly
1.1	Supports new pcb for USB soundfirmware and soundbank update
1.2	Improved signal LED logic
1.3	Improved flash configuration
1.4	Fix a problem when loop is trggered, playing other pads fast would kill the loop
1.5	Fixed a problem that when pad voice (except external snare) is assigned to SNARE(POS) group, the sound is wrong