Aiming - Motorola LS2208-SR20001R Product Reference Manual

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Aiming

Do not hold the scanner directly over the bar code. Laser light reflecting directly back into the scanner from the bar
code is known as specular reflection. This specular reflection can make decoding difficult.
You can tilt the scanner up to 55° forward or back and achieve a successful decode (Figure 2-3). Simple practice
quickly shows what tolerances to work within.
65
65
Maximum Tilt Angles and Dead Zone
Figure 2-3