User's Manual

Grandstream Networks, Inc. GXP21xx User Manual Page 28 of 44
Firmware version: 1.0.1.83 Last Updated: 08/2011
Self-Defined Time
Zone
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
rd
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.
Weather Update
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.
Stock Update
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.
Currency Update
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.
LCD Backlight
Brightness
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.
LCD Contrast
Set LCD contrast. Range from 0 to 20.
Time Display Format
LCD time display in 12 hour or 24 hour format.
Disable in-call DTMF
display
Default is “No”. This field is used to hide the keypad input during a call.