Yealink SIP-T38G User Manual

Customizing Your Phone
23
To configure the backlight via phone user interface:
1. Press Menu->Display->Backlight.
2. Press or , or the Switch soft key to select the desired level from the Active
Level field.
3. Press or , or the Switch soft key to select the desired level from the Inactive
Level field.
4. Press or , or the Switch soft key to select the desired time from the
Backlight Time field.
5. Press the Save soft key to accept the change or the Back soft key to cancel.
You can also configure the backlight via web user interface at the path
Phone->Preference.
Note
You can configure the contrast of the expansion model-EXP39 to a comfortable level.
Premise is the expansion model has been connected to the phone.
To configure the contrast via phone user interface:
1. Press Menu->Setting->Advanced Settings (password: admin) ->Phone
Setting->Contrast.
Backlight Level means the backlight intensity.

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