Grandstream Networks GSC3570 User Manual page 32

If Username and Password are leaving blank as default (not configured), then this means they are not required, and "anonymous
FTP" used. This is not secure but convenient in some LAN integration.
Basic
Sound
Use the Voice settings to configure the phone's sound mode, volume, ring tone and notification tone.
Media Volume: Adjust the sound volume for media audio.
Ring Volume: Adjust the phone ringing volume.
Doorbell volume: Adjust the Doorbell volume.
Ringtone: Select the phone's ringtone for an incoming call.
Door Ringtone: Select the Door ringtone when call arrives from GDS37XX.
Button tone: Enable/disable Button tone.
Display
Brightness: Tap on Brightness and scroll left/right to adjust the LCD brightness.
Screen timeout: Tap to open the dialog to set the screen timeout interval.
Screensaver timeout: Tap to set the screensaver timeout interval.
Call screen icon size: Tap to set the icon size to: Normal sized or Big sized icons.
Enable back LED indicator: Enable/disable the back LED indicator.
Language
Language: Tap to open the list of available languages. Selected language will be used on GSC3570. By default, it is set to
"Auto" to automatically select best matching language from available languages based on GSC3570 location.
Date & Time
NTP server: Assign the URL or IP Address of NTP Server. The default NTP Server used is pool.ntp.org
Set date: Set the current date for the GSC3570.
Set time: Set the time on the GSC3570 manually.
Select time zone: Select the time zone for the GSC3570.
Date format. Select the format of year, month, and day for the date to be displayed. Default is "yyyy-mm-dd". Available
options are:
yyyy-mm-dd
mm-dd-yyyy
dd-mm-yyyy
Use 12-hour format. Check/uncheck to display the time using 24-hour time format or not. For example, in 24-hour
format, 13:00 will be displayed instead of 1:00 p.m.
Screen lock
For enhanced security, the following configuration sets a pin code containing a minimum of 6 digits,
the following two configurations are defined :
Screen lock enable: Enables the Pin Screen lock. Disabled by Default