Introduction
5
Expanding your phone system
You can expand your phone system by registering optional handsets (6 max.) to a
single base unit.
L
Optional handsets may be a different colour from that of the supplied handsets.
Optional handset feature overview
*1 This feature allows you to select how the display shows:
– multiple items at a time
– 1 item at a time in large characters
*2 The unit displays a list of all recorded messages and allows you to select the item
to play back.
*3 You can assign a different background colour to each phonebook entry. When a
call is received from a caller stored in the phonebook, the assigned background
colour is displayed.
*4 You can select whether the handset display backlight is dimmed or turned off
completely after being placed on the base unit or charger.
Feature
KX-TGA641C
KX-TGA740C
KX-TGA840C
Handset
Display colour/
size
Monochrome/
1.8 inches
Monochrome/
2.1 inches
Colour/
2.0 inches
Control type
Navigator key
(Up/down)
Joystick
(Up/down/left/right)
Joystick
(Up/down/left/right)
Display mode
*1
–
r
r
Message list
*2
–
r
r
Wallpaper
–
–
r
Colour ID
*3
–
–
r
LCD backlight
*4
–
–
r
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