TTY Call Types
The TTY mode turns On TTY capability in the phone and allows the phone to signal to 911 centers, 711 centers, landline users, and users of other cell phone devices. You can also place calls to TTY users that use other

Note! The handset Turn on HCO Mode option and

Optimum Use

 

 

TTY communications can be conducted from moving

Turn on VCO Mode option should not be used

vehicles, however, it may be dangerous to operate a

if external HCO/ VCO features are built into

vehicle and communicate on your mobile phone at the

the TTY device. The handset option items are

same time. You may experience a higher character error

intended as an alternative method of gaining

rate of the TTY conversation while in motion. For the

access to HCO and VCO, but are not required

highest quality communications, it is best to remain

to be activated if the external TTY device has

stationary.

 

 

e

the HCO/VCO feature.

 

 

s

 

 

U

 

 

 

 

The TTY feature works in most signal strength areas. You

After you have verified that your phone operates in TTY

 

l

 

may experience a higher character error rate in low signal

 

a

 

 

mode and you want to switch back to handheld phone

i

 

 

 

coverage areas. You may be able to move the cellular

operation, unplug the 2.5 mm plug from your phone. You

c

 

 

 

handsetrto get a better signal to reduce the character

can then use your phone normally.

errors.e

 

 

 

If you want to switch from handheld to TTY operation m

 

 

 

(after you are in TTY mode), simply re-insert the m2.5 mm

Status Information

 

o

You can access the status screen by pressing the upper or

plug into the handset jack. You will know your phone is

 

 

 

 

back in TTY operation because the TTYCsymbol will

lower side volume key when you are not on a call. The

r

screen will display the handset’s TTY status when TTY

reappear in the lower lefthand corner of your display.

mode is On.

 

 

 

fo

 

 

 

Your Sony Ericssontmobile phone has a menu

Note!o

timer thatNclears the display if a key is not pressed within 19 seconds.

42 Extras Menu