Yealink T42G User Manual

Backlight
You can configure the backlight to adjust the brightness of the LCD screen. Backlight on the LCD
screen can be configured with the following options:
 Always On: backlight is on permanently.
 15s, 30s, 120s, 300s, 600s or 1800s: Backlight is turned off when the phone is inactive after
the designed time (in seconds).
To configure the backlight on your phone:
1. Press Menu → Settings → Basic Settings → Display → Backlight
2. Press or , or the Switch soft key to select the desired value from the Backlight Time
field.
3. Press the Save soft key to accept the change or Back to cancel.
Language
The default language of the phone user interface is English.
To change the language on your phone:
1. Press Menu → Settings → Basic Settings → Language
2. Press or to select the desired language.
3. Press the Save soft key to accept the change. Text displayed on the phone user interface will
change to the selected language.

Yealink T42G Specifications

General

Power requirements	100-240V, DC 5V
Power over Ethernet (PoE)	Yes
Touchscreen	-
Display diagonal	2.7 \
Display resolution	192 x 64 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Voice codecs	G.711, G.723, G.729A, G.729B
Bluetooth	No
RJ-9 ports quantity	2
Ethernet LAN (RJ-45) ports	1
Storage temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black, Grey
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	175 mm
Width	212 mm
Height	189 mm