IP Phone User's Manual
Table Of Contents

GXV3140 USER MANUAL  www.grandstream.com 
SOFTWARE VERSION 1.0.0.44 support@grandstream.com 
z  CALCULATOR 
The GXV3140 also includes a Calculator application. To operate the calculator, press the 
corresponding number on the keypad. The arithmetic operations (e.g. add, subtract, multiply, 
divide) are defined by the corresponding arrow buttons.   
z  WEATHER UPDATE 
The GXV3140 also includes a weather updates application that provides users with the most up to 
date information on the weather forecast. Users may set the City (Zip code) to display the 
weather update for that particular city. In addition, users may also define the refresh interval time 










