[Model Supported] DL3021,DL3021A,DL3031,DL3031A.
[Latest Revision Date] 2020-12-01


[Updated Contents]
v00.01.05.00.01 2020-12-01
     - Repaired continuous CC mode, the frequency value will display 40KHz
     - Fixed the frequency setting error of con
     - The function of circuit short circuit protection button is added
     - Fixed the problem of setting width overrun in pul mode
     - Increased power protection function

v00.01.05.00.00 2020-06-09
     - Solved the problem of SCPI command setting frequency accuracy loss
     - Solved the problem that CR mode can set the resistance value to 0 ohm
     - Added the record option bar in the utility interface, which allows users to choose whether to record data after exiting the view mode
     - Added the function that users can automatically add 0 before the decimal point when entering decimals
     - Solved the problem of loop current overcharge when closing the channel switch
     - Added the function of the circuit short-circuit protection button
	 
v00.01.04.00.04 2019-3-06
     - Improving the performance of overshort in CC mode
     - Improving the Slew Voltage Drop Perfomance
     - Increase the recording content of battery mode,"mAH"  "wh" "time"
     - Modifyed the bug in slewrate
     - Increased SCPI commands for battery mode
     - Increased SCPI commands for OCP mode
     - Increased SCPI commands for OPP mode


v00.01.02.00.02 2018-1-22
     - Modified the problems arising from load sinking while being powered on in CR and CP modes.
     - Optimized the overshoot value in CR mode.
     - Modified the record data: originally, the number of the waveform points less than 400 was recorded as 1000, now it is modified to be recorded as Null.
     - Added the Von function in the CR mode and supported Von Latch.
     - Added the cut-off function in the battery discharge mode
     - Added the SCPI commands for the Sense function.
     - Modified the Record function in data recording, capable of recording the four parameters (V, I, R, and P) simultaneously.
     - Modified the List function in data recording, capable of recording the two parameters (V and I) simultaneously.
     - Modified the List operating status error in the SCPI command.


v00.01.01.00.09	2017-08-014
     - Optimize the waveform adjustment mode for Roll and Fast modes
     - Optimize Roll and Fast mode screenshots to support saved CSV format files
     - Roll mode to supports the waveform playback function
     - Roll mode to supports the waveform record function
     - Fast mode supports the selection of voltage and current curves
     - Support CC+CV function
     - Battery mode support W.H units
     - List mode show the results of the last loop after the run completes  
     - List mode support the recording and playback function ( Thumb drive), save the measurement results of each cycle, save the file format to CSV
     - The SCPI command increases the waveform mode adjustment and the readback command of the waveform data 


v00.01.00.04.10	2017-04-24

     - Released the first version officially




[Previous Versions and Updated Contents]
