Lutron Electronics DT-2230 - 3. FRONT PANEL DESCRIPTION; 3-1 Display; 3-2 Power Button; 3-3 Function Button

3. FRONT PANEL DESCRIPTION
Fig. 1
3-1 Display
3-2 Power Button
3-3 Function Button
3-4 Memory Button
3-5 Surface Speed Wheel
3-6 RPM Adapter ( Contact Tach. )
3-7 Photo Tach. detect sensor
3-8 Laser Light Beam
3-9 Battery Cover/Compartment
3-10 Reflecting Mark
3-11 Monitor indicator
3-12 RS-232 Output Terminal
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