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Headset Jack
You can use this telephone hands-free when
you install a 2.5 mm headset (purchased
separately). To install, plug the headset into
the HEADSET JACK at the top of the handset.
While in headset mode, the volume of
headset is controlled by the telephone and
the handset’s earpiece and microphone
are disconnected.
Ordering a Headset: In the event you
wish to purchase a headset for your Clarity
420, please contact Plantronics at
1-800-544-4660 for location near you.
We recommend using the Plantronics
M110 or M130 headset.
Hearing Aid Compatibility
The handset has a special coil inside of it to
couple the sound to hearing aids equipped
with T-Switches/T-Coils.
Quick Reference Guide
A pullout quick reference guide is located on
the bottom of your C420. It will allow you
to quickly reference key operations of your
phone and also record the frequently dialed
numbers and emergency numbers you may
have stored into your telephone.
HANDSET
Set Up Mode
NOTE: In Set Up, if there is no input within
30 seconds, the program will default to the
last selection in that mode (e.g., Language)
and the C420 will return to Standby. If at
any time you want to exit Set Up and return
to Standby, press FLASH
.
To enter Setup mode press and hold the
CALL button for three (3) seconds.
Setting Language
Default: English
1. Press and hold CALL for three
(3) seconds to enter the Set Up
mode. The Caller ID display will
read, “SET LANGUAGE.”
2. Press CALL once to enter the
Language selection mode. The
current selected language will flash.
3. Press UP
(
▲
) or DOWN (▼) to scroll
through the language options. The
displayed language will change to
“FRENCH” or “SPANISH.”
4. Press CALL to select the
language desired.
5. Press UP
(
▲
) or DOWN (▼) to
advance to the next menu.
Getting Started
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