Tektronix 2245A Operator's Manual page 30

Controls, Connectors, and Indicators
YlJ Channel 1 and Channel 2 VOLTS/DIV S w itches—Select cali­
brated deflection factors for Channel 1 and Channel 2 from 2 mV per
division to 5 V per division in a 1-2-5 sequence of 11 steps.
The switches are detented, continuous-rotation controls with no end
stops. The VOLTS/DIV readouts reflect attenuation factors of coded
attenuator probes connected to the vertical inputs.
2-4
2245A Operators