Plantronics CS540 User Manual

14
If You Do Not Hear a Dial Tone
1 If you do not hear a dial tone, raise the lifter height switch to the next highest position.
2 Repeat steps 2 through 5 above as necessary until you hear a dial tone.
3 When you hear a dial tone, secure the lifter as described in steps 6 though 8.
Additional Parts (if required)
Use extender arm when the handset lifter needs additional stability lifting and returning
handset to cradle.
Extender Arm
1 Slide extender arm onto lifter.
2 Stabilizers can be shifted left and right. Position stabilizers on outsides of handset to gently
grip the phone.
1
2
2
Ringer Microphone
Use ringer microphone only when the telephone speaker is not located directly under the
handset.
1 Remove cover from ringer microphone jack on back of lifter.
2 Connect ringer microphone plug.
3 Place ringer microphone over phone speaker. Remove adhesive tape and attach.
1
2
3

Plantronics CS540 Specifications

General

Wireless Technology	DECT 6.0
Talk Time	Up to 7 hours
Headset Weight	21 grams
Audio Performance	Wideband audio
Noise-Canceling	Yes
Microphone	Noise-canceling microphone
DECT Security Certification	Yes
Compatibility	Desk phones
Earpiece Type	Monaural
Warranty	1 year
Range	Up to 350 ft (107 m)
Battery Type	Lithium-ion polymer
Wearing Style	Over-the-ear
Charging Time	3 hours