Обновление прошивки zt-703s
Updated content:
1. Fixed jitter issues in waveforms under a 250ns time base.
2. Removed power supply in non-multimeter mode to save battery.
3. Fixed screen refresh issue during prolonged operation.
4. Fixed trigger voltage not updating when moving trigger level in NORMAL or SINGLE trigger mode.
5. Optimized AUTO strategy for faster speed and higher accuracy.
6. Fixed several potential system freeze issues.
7. Improved glitch in measurement output signal; modified trigger position menu to sampling mode menu, offering options of high resolution or peak detection modes.