VM-3 (250-3010) Controls Faxback Doc. # 4688 ┌───────────────────────────────┐ │ ┌─────────────────────┐ │ │ │ │ │ ┌────────────────────────────────┐ │ │ │ │ │ │ │ │ │ ─── 1 │ │ │ │ │ │ ┌─┐ │ │ 4 │ │ │ │ └─┘ 2 │ │ ┌───┬─┬───┐ │ │ │ │ ┌─┐ │ │ └───┴─┴───┘ │ │ │ │ └─┘ 3 │ └┬───────────┬─────────┬────────┬┘ │ └─────────────────────┘ │ │ 5 │ O O O O │ │ └┬─────────────────────────────┬┘ │┌──┐ └─┼─┼─┼─┼─┘ │ └─────────────────────────────┘ └┴──┴─────────┼─┼─┼─┼──────────┘ 9 ──┘ │ │ │  8 ────┘ │ │  7 ──────┘ │  6 ────────┘  1. POWER INDICATOR This indicator illuminates when power is applied to the monitor. 2. PULL ON/BRIGHT Pull this switch to turn the power on. Press this switch to turn the power off. Turn it clockwise to increase the brightness; turn it counterclockwise to  darken the screen. 3. CONTRAST Rotate this knob to adjust the contrast between low- and high-intensity characters on the display. 4. AC CORD WITH PLUG Plugs into a standard AC outlet (120 volts AC, 60 Hz) or UL-approved power strip. 5. VIDEO IN (SIGNAL CABLE WITH D CONNECTOR) Insert the D connector of this cable to connect the monitor to the computer. 6. H-CENTER (HORIZONTAL CENTER) Rotate this control to center the video display on the screen. 7. V-SIZE (VERTICAL SIZE) Rotate this control to adjust the height of the screen. 8. V-LIN (VERTICAL LINEAR) Rotate this control to adjust the height of the characters so that characters at the top of the screen are the same size as those at the bottom. 9. V-HOLD (VERTICAL HOLD) Slowly rotate this control until a stable display is obtained. NOTE: These controls were pre-adjusted to maximum performance at the factory and no further adjustment should be required under normal use. However, if you have problems with these controls, stop by your nearest Radio Shack Computer Center or store for assistance. (smm 07/28/93)