... LCD, meaning capital letters)3. Press 2key 3 times, C is ok;Then, press 6key 1time, M is ok;Then ... get the symbol of. Then, press 2key 3 times, C is okThen, press 6key 2 times, N is ok4. ... ) GPRS IP:1. In the sub-menu, press Up or Down key to move the cursor to GPRS IP, then pressMenu ... GPRS connection, APN, IP, Printer ID and Port is a must.Settings for restaurant info:Reference to APN setting, please ...