3.5mm
Wireless
Headset
(CS50-R)
Jack*
NSQ412 Four-Line Caller ID
Telephone Owner’s Manual 6
Key and Indicator Descriptions
The following drawings provide identification and brief descriptions of the base controls, keys and indicators.
Cradle
LCD Display
Navigation keys
Caller key
Hook Switch
Ring LED
Speed Dial Keys
Handset Guide
MSGWait/NewCID LED
Speed Dial index
CID List key
Speaker Grille
Volume and keys
Pause key
Directory key
Headset jack (on side)
Conf key
Handset jack (on side)
Flash key
Page key
Release key
(Auto)Redial key
Remove key
Intercom key
Save key
DND key
Program key
Mute key
Line keys
Dial keys
Jog knob/Dial key
Speaker key Hold/Transfer key Headset key Microphone (on bottom-side)
NEW
FEATURE!
2.5mm Standard
Headset Jack (on side)
* Note:
When using the Plantronics CS50-R Wireless Headset, please
refer to the CS50-R Owner’s Manual for complete operation instruction.
