This product from SMT MAX has two measurement input channels with one external trig channel. It can be calibrated in 12 steps of 1:2:5 sequence and has a band width of DC(AC10Hz)-20Mhz. The input coupling is AC, GND, DC and the Input Impedance is 1M ohm/30pF. The unit has a sensitivity and accuracy of 5mV-20V/div.3%, with a rise time of 17.5ns. When used for horixontal deflection the unit has a trigger ode of Auto, Norm, TV-V and TV-H. The trigger source is VERT(dual, alt), CH1, Ext, ad Line; and the Trigger coupling is AC, DC. The accuracy is 3%, 5% at 10X times and the sweep magnification is 10 times.