Yealink SIP-T38G Administrator's Guide

Configuring Basic Features
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2. Select the desired time from the pull-down list of Screensaver Time.
3. Click Confirm to accept the change.
To configure the screensaver via phone user interface:
1. Press Menu->Display->Screensaver.
2. Press or , or the Switch soft key to select the desired time in the Time-out
field.
After the time you specified in the Time-out field, your phone will display the
screensaver.
3. Press to scroll to the Preview Screensaver Pictures field, press the Enter
soft key to preview the screensaver pictures and then press the Exit soft key to
back to the previous interface.
4. Press the Save soft key to accept the change
Backlight provides the brightness necessary for making the phone LCD screen readable
in darkened environment. Backlight time specifies the delay time to turn off the
backlight when the IP phone is inactive. Shorter backlight time is annoying if the
backlight is turned off quickly which does not give users enough time to read messages.
Backlight level is used to adjust the backlight intensity of the LCD screen. Inactive
backlight level defines whether the IP phone completely turns off the backlight of the
LCD screen after a period of inactivity.

Yealink SIP-T38G Specifications

General

Expansion module support	Yes
Ethernet LAN (RJ-45) ports	2
Keypad number of keys	48
Touchscreen	-
Display resolution	480 x 272 pixels
Display number of colors	16.78 million colors
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	6
Voice codecs	G.711, G.722, G.723.1, G.726
Bluetooth	No
Security algorithms	802.1x RADIUS, HTTPS, SSL/TLS
AC adapter input voltage	100 - 240 V
AC adapter output voltage	5 V
Power consumption (typical)	4.6 W
Operating relative humidity (H-H)	10 - 95 %
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Compliance industry standards	IEEE 802.3af
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	204 mm
Width	273 mm
Height	42 mm
Weight	1050 g