AASTRA DT590 for MD Evolution User Guide EN - Manual (Page 36)

DT590 General Description
MD Evolution – Cordless DT590 166
Ongoing call tab
DT590 Switching On/Off
Switch on Ъ Щ
Press and hold at least 3 seconds until the display lights up.
If the phone does not switch on or the battery icon starts flashing,
the battery is low. Charge the battery.
Note: If the signal strength icon is off and the message
“No system” or “Searching” is displayed, you cannot make
or answer calls.
Switch off
Note: During calls, you cannot switch off your phone. Ъ Щ
Press and hold at least 3 seconds until the display turns
blank.
7
Ongoing call* Message
Call list
Long DTMF
Short DTMF
Send pause
m Voice
Inbox
Send
Note: * Depends on the programming of your phone