HP Point of Sale rp5000 - Manual (Page 43)

Operating the Scanner
User Guide www.hp.com 4–5
4. Upon successful decode, the scanner beeps and the LED
turns green.
Aiming the Scanner
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. Simple practice quickly
shows what tolerances to work within.