Quick Check® 600/800 Series User’s Guide 3 - 76. To change which symbology has a W/N Ratio:• Press ↑ or ↓ to set the cursor on the asterisk next to Fixed W/N Ratioand then press SELECT. A menu appears with Fixed W/N Ratio ontop and asks you to choose the symbology name and the ratioamount.• To choose the symbology, press SELECT or → to move the cursorfrom the asterisk next to Symbgy to the name of the specificsymbology. You can set the W/N ratio for only one symbology at atime. Now press ↑ or ↓ to display the symbology that you want to havea fixed W/N ratio.• To save the selection, press SELECT or ← to move the cursor backto the asterisk next to Symbgy.• To set the fixed W/N ratio amount, press ↓ to move the cursor to theasterisk next to Ratio. Then press SELECT or → to move the cursorto the numeric value. Use ↑ or ↓ to display the value you want. Thevalue can range from 1.4 to 3.9 ± 0.2.• To save the selection, press SELECT or ← to move the cursor backto the asterisk next to Ratio.• To return to the previous menu, press POWER.7. To change which symbology has a fixed message length:• Press ↑ or ↓ to set the cursor on the asterisk next to Fixed Len andthen press SELECT. A menu appears with Fixed Message Length onthe top and asks you to choose the symbology name and the specificlength.• To choose the symbology, press SELECT or → to move the cursorfrom the asterisk next to Symbgy to the name of the specificsymbology. Now press ↑ or ↓ to display the symbology that you wantto have a fixed message length.• To save the selection, press SELECT or ← to move the cursor backto the asterisk next to Symbgy.• To set the specific length, press ↓ to move the cursor to the asterisknext to Length. Then press SELECT or → to move the cursor to thenumeric value. Now press ↑ and ↓ to display the value you want. Thelength can range from 0 to 255 characters. (See "SymbologySpecifications" on page 3-3.)• To save the selection, press SELECT or ← to move the cursor backto the asterisk next to Length.• To return to the previous menu, press POWER.8. To change other symbologies and their parameters, repeatstep 5. on page 3-6.• To return to the previous menu, press POWER.• To scan a symbol, set the wand on the symbol’s quiet zone.Industry ApplicationsYou can enable only one application at a time. Your verifier may not have all theapplications installed in it.