Selta Zenyth 650, User Manual, Page: 17 / 20

8.3.3 Dialing Centrex keys
Picks up the handset or press SPEAKER / key, and then press F1 to F4
key to dial out the specific tone for some PBX services only.
8.3.4
Dialing Two-touch memory
Picks up the handset or press SPEAKER / key and press MEM key and N
(N=1 ~ 9, 0, * or #).
8.3.5 Call
Time
The display shows the duration of a call in progress since a number has been
dialed out. Manual control is not available.
8.3.6 Pause
key
Press PAUSE key to insert a delay time of 3.6 seconds in a dialing sequence.
8.3.7 Mute
key
During phone conversation, if you do not want the person on the line to hear
your voice, press
MUTE key to cut off the microphone. To resume
conversation, press MUTE key again.
8.3.8 FLASH
key
During off-hook state, press FLASH key for recall that is used for some PSTN
network and PBX services.
8.3.9 REDIAL
key
When the phone is off-hook, press REDIAL key to dial out the phone number
which was dialed out by user at the latest time.
8.3.10 In use LED
The in use LED should be turned on during the phone is off-hook.