School Lab Oscilloscope Dual Trace and Channel

School Lab Oscilloscope Dual Trace and Channel

When magnified by 10, the sweep speed is 20nS/DIV/  This Oscilloscope employs a 6 inch rectangular type cathode ray tube with red internal graticule. 
Dual channel 20MHz oscilloscope with maximum sensitivity of 5mV/DIV.   
The time base provides a maximum sweep time of 0.2uS/DIV.   
Microphone included. 

20MHz Dual channel 
CH1 & CH2 Independent Channels 
CH1 signal output 
High Sensitivity 1Mv?DIV 
High- Speed Sweep 
Algebraic Addition and Subtraction 
5mV/div sensitivity on both channels 
Two waveforms in different frequency can be observed via alternative trigger function