Plantronics CS 70 Problem, hdsean t I can hear too much, Solution, le I talk to can hear a, even

Problem

ounS d in hdsean t is istd orted/hear echo in

hdsean t.

I can hear too much

Solution
• Rduce	e speaking lumvo		e by changing the speaking lumvo		e
ajom	r adjust switch setting. See page 16.
• Point microphone towards your chin.
• Lstei ning lumvo		e too high on phone. If your phone has a
handset lumvo		e control, lower this until the distortion
isad	ppears.
• If the distortion is still present, lower the listening lumvo					e
djua	st button on the headset. If the distortion persists,
eles	ct another listening lumvo			e major adjust switch setting.
See page 15.
• Bsea	is too close to computer or phone. See page 9rfo
rop	er positioning.
• Sstey	m needs to be reset. Perrmfo system reset as
described on page 21.
Seakp	ing lumvo	e is too high. Lwero th e speaking volume by

The headset and base unit are supplied subscribed to each other. However, if you wish to use a replacement headset with the base unit, then the units must be re-subscribed. To do so, please follow the instructions on page 11 for Multi-Shift Pairing.

To recover from some fault conditions (refer to the Troubleshooting Section), you may need to perform a system reset. To perform the system reset, follow this procedure:

bacroukg nd conversaiont , oisn e or sidetone.

djua	sting the speaking lumvo		e minor adjust buttons on the
aseb	. If the lumvo	e is still too high, select another speaking
lumvo	e major adjust setting. See page 16.

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3

eopP	le I talk to can hear a
buzz in the bacroukg nd.
Battery talk time perrmfo		ance
si si	gnificantly degreda	even
afert	a full rechager.

• Move the CS70 baserthfu er away omfr your phone.

•AC charger is plugged into a power strip. Plug the AC charger ntoi th e wall directly.

• Picking up another radio freencyqu		. Call the Plantronics
chnTe	ical Assistance Centerrfoa	n RF fltei r.
Battery is going bad. Rplae ce the battery with a new battery
ackp	. See page 21.

1 2

4 4

Tehc all is dropped. (Talk ndic aort on the hesetad dan baesw ill not be illuminaedt. )

I hear staict that does not allow me to communicaet.

I hear beeps in the headset.

Headset lost subscription. Tyrt o reset the system. See page
21. If this does not work, try the resubscription procedure
nop	age 11.
• Lnki	to headset is lost. Try to reestablish a link by pressing
het	headset talk button.
• Uplun		g the AC charger omfr	the base for 5 seconds, then
lugp ba		ck in.
• Rset th		e whole system as described on page 21.
• One beep eryve 10 seconds is caused by a low battery
arnw	ing. Rchae rge battery by returning it to the base charge
radc	lerfo ne to three hours until charge light stays lit or
itsqu	blinking.
•oTwb	eeps is an out of range warning. Move closer to the base.
• reeTh		rapid beeps eryve 30 seconds indicates your mute is
on. Press the mute button once to turn mute off.
• Wenh		an optional lifert is connected, three repetitive beeps
ndic	ate a call is coming into the headset. Press the call
ontc	rol button on the headset to answer the call.

1.Simultaneously press the call control button and both the "+" and "–" volume buttons for 5 seconds. When the talk indicator light on the headset blinks, release all buttons.

2.Press the call control button again. The talk indicator light will again blink briefly to indicate the headset is back to normal operation mode.

3.Disconnect the AC charger from the AC charging jack for 5 seconds.

4.Reconnect.

The system reset operation is complete.

Hdsean		t lifert is installed
utb	does not lift hdsean			t.
My hdsean			t lifert operaest
ver		y time I remove or
eplr	aecm		y hesetad in	the
baesu		nit.

Be sure the handset lifert power cord is frmli y pushed into
het	handset lifert		jack on the base.
telliIn	Sandt is en		abled. To disable the handset lifter, move
het telliIn		Sandt sw itch to position		.

The custom battery supplied should last 2– 3 years. When talk time decreases significantly, you should replace the battery. Call Plantronics at (800) 544-4660 ext. 5538 for information on sending back to factory to install new battery.

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