• CRT with Bright high accelerated pole voltage • This oscilloscope tube is of fast speed and high light.Votlage of accelerated pole up to 2kv,able to indicate clear traceseven under • High-speed sweep. • Two waveforms in different frequency can be observed via alternative trigger function. • TV signal synchronous function • Ch1 output • Z-axis input Function of bright adjustable can add frequency or time marker to oscilloscope,trace of positive signal blanking,TTLmatching. • X-Y operation This item can be used as an X-Y oscilloscope while setting in X-Y position,CH1 is horizontal axial and CH2 is vertical axial.