Telematrix DC640 - Manual (Page 7)

1. Access Feature Keys ….…………..…………... Forty (40) illuminated pr ogrammable on e-
touch ke ys used fo r l ine or Ce ntrex fe ature
acce ss.
2. To uchlite TM Key...…………………………………... Message Wai ting L amp (L ED i ndicator) t hat
blinks to in dicate a n ew mes sage in th e
user’s vo ice m ail b ox (use r m ust b e
subscribed to a messaging system).
3. Release Key …………...…………………...……… Used to disconnect the line, or exit the
pro gramming mode.
4. Store Key ………...…………………………….….… Used t o p rogram a si ngle, re adily avai lable
number for later retrieval.
5. Pause Key ...............................………… Used to program a 1.0 second timing delay
in speed dial memory or on hook dialing.
6. Memory Key ................………………………. Used to initiate ten (10) programmed
memo ry locations.
7. Programming Key .............................… Used to initiate programming mode.
8. Hold Key ……………………………………………..… Key used for placing callers on hold.
9. Mute Key …………………………….………………... Lighted key used for disabling the handset,
headset and speakerphone microphone.
10. Headset ON/OFF Key ……………………………. Used to turn the headset ON or OFF. LED
Ind ication.
11. Numeric Dial Pad ………………...………………. Used for outbound dialing.
12. Speaker Key .………………...................…… Used to turn the speakerphone ON or OFF.
LED Indication.
13. Volume Bar …………………..……………………….. Adjusts t he l oudness i ndependently fo r t he
handset receiver, the headset, speaker and/
or ringer.
14. Up and Down Scroll Key ..….........……..… Used to scroll the LCD through the program
menu and Memory Dial records. Also used to
adjust LCD contrast.
15. Exit Key ..………................…….....….…..… Used to exit programming mode or memory
dialin g mode.
16. Select Key ……………………………..…………..... Used for programming settings.
17. Save Key ……………………………………………... Used to save programmed settings.
18. Handset ……………………………….…………...... Hearing-aid compatible handset.
19. LCD Display ...............…….............……… Large adjustable backlit LCD display.
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