ocr: Apple II Monochrome Monitors Controls Front Side -Power on/off -Power on/off Contrast Contrast Rear Rear -Brightness -Brightness -Vertical hold Vertical hold Height Vertical amplitude Electrical - Linc voltage: 108 to 132 Line voltage: 108 to 132 requirements volts AC volts AC - Frequency: 50 to 60 hertz Frequency: 50 to 60 hertz Power consumption Powcr consumption -Typical: less than 20 walls -Typical: less than 20 watts Maximum: 45 watts Maximum: 45 watts Environmental - Operating tempcraturc: Opcrating temperature: requirements 41° to 104° F(5° to 40° C) 320 to 122° F(0 to 50° C) Maximum hu ...