Grandstream Networks GXV34 0 Series Manual page 61

This parameter allows the users to define their own time zone.
The syntax is: std offset dst [offset], start [/time], end [/time]
Default is set to: MTZ+6MDT+5,M4.1.0,M11.1.0
MTZ+6MDT+5
This indicates a time zone with 6 hours offset with 1 hour ahead (when
daylight saving) which is U.S central time. If it is positive (+) if the local time
Self-defined Time zone is west of the Prime Meridian (A.K.A: International or Greenwich Meridian) and negative (-) if it
Zone is east.
M4.1.0,M11.1.0
The 1st number indicates Month: 1,2,3.., 12 (for Jan, Feb, .., Dec)
The 2nd number indicates the nth iteration of the weekday: (1st Sunday, 3rd Tuesday...)
The 3rd number indicates weekday: 0,1,2,..,6( for Sun, Mon, Tues, ... ,Sat)
Therefore, this example is the DST which starts from the First Sunday of
April to the 1st Sunday of November.
Specifies which format will be used to display the time.
Time Display Format
It can be selected from 12-hour and 24-hour format.
Determines which format will be used to display the date.
It can be selected from the drop-down list.
Normal (M/D/YYYY): 1/31/2012
Date Display Format YYYY/MM/DD: 2012/01/31
MM/DD/YYYY: 01/31/2012
DD/MM/YYYY: 31/01/2012
The default setting is MM/DD/YYYY.
Language Sets the language to display on the phone's LCD.
Select Language File Press "Browse" to bring up a file selection menu to select the local .txt file to upload to the phone
Language
Table 37: System Settings/Time and Language