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Self-Defined Time
Zone
Weather Update
Stock Update
Currency Update
LCD Backlight
Brightness
LCD Contrast
Grandstream Networks, Inc.
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 which is U.S central
time. If it is positive (+) if the local time zone is west of the Prime Meridian (A.K.A:
International or Greenwich Meridian) and negative (-) if it 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, 3
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.
By default, "Enable Weather Update:" is set to "Yes". If set to "No", weather
information will not display on the phone.
Settings to customize the display of weather via:
City Code – Enter city code
Update Interval – Refresh time in minutes
Degree Unit – Select Automatic, Fahrenheit or Celsius
Weather information is displayed on GXP21xx LCD when "Enable Weather Update"
is set to "Yes" and pressing the "SwitchSCR" soft-key once.
By default, "Enable Stock Update:" is set to "Yes". If set to "No", stock information will
not display on the phone.
Settings to customize the display of stock via:
Stock Code – Enter stock code
Stock information is displayed in GXP21xx LCD when "Enable Stock Update" is set to
"Yes" and pressing the "SwitchSCR" soft-key twice.
By default, "Enable Currency Update:" is set to "Yes". If set to "No", currency
information will not display on the phone.
Settings to customize the display of currency via:
Currency Code – Enter currency code
Currency information (foreign currencies to US dollar) is displayed in GXP21xx LCD
when "Enable Currency Update" is set to "Yes" and pressing the "SwitchSCR" soft-
key three times.
Set the LCD brightness level for idle state and active state. Range from 0 to 8 where
0 means off and 8 means the brightest.
Set LCD contrast. Range from 0 to 20.
GXP21xx User Manual
Firmware version: 1.0.1.110
Page 29 of 48
Last Updated: 01/2012
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