Here’s what I can tell you based on available information and common patterns:
Turn the rotary switch from the "OFF" position to your desired measurement type. Protek B-801 Manual
is a 2MHz sweep function generator designed for general-purpose electronic testing, audio bench work, and classroom environments. Core Performance Versatile Waveform Generation Here’s what I can tell you based on
Capable of measuring millivolts (mV) up to high-voltage industrial levels (typically 1000V DC / 750V AC). audio bench work