: Open the iShow program menu and tune your scan-rate speed. Most budget lasers using this software expect a scan range between 15,000 to 20,000 PPS (Points Per Second). Setting the rate too high will warp shapes and cause flickers on long text strings. Modern Alternatives for Laser Control
The quality of your laser projection depends on the cable quality connecting the USB box to the laser. ishow laser software version 23 download 12 link
: Unlike standard software that works on its own, iShow typically requires a proprietary USB-to-ILDA box : Open the iShow program menu and tune your scan-rate speed