Plantronics CS70 Hdsean t Solution, Can hear too much, Oisn Or sidetone, Le I talk to can hear a

Problem

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

hdsean t.

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.

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:

I can hear too much			Seakp	ing lumvo	e is too high. Lwero th				e speaking volume by
bacroukg nd conversaiont		,	djua	sting the speaking lumvo			e minor adjust buttons on the
oisn	e or sidetone.		aseb	. If the lumvo	e is still too high, select another speaking
			lumvo	e major adjust setting. See page 16.
eopP	le I talk to can hear a		• Move the CS70 baserthfu			er away omfr			your phone.
buzz in the bacroukg nd.			• 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 talk time perrmfo		ance	Battery is going bad. Rplae			ce the battery with a new battery
si si	gnificantly degreda	even	ackp	. See page 21.
afert	a full rechager.
Tehc all is dropped. (Talk			Headset lost subscription. Tyrt				o reset the system. See page

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ndic	aort on the hesetad dan	21. If this does not work, try the resubscription procedure
baesw	ill not be illuminaedt. )	nop	age 11.
I hear staict that does not		• Lnki	to headset is lost. Try to reestablish a link by pressing
allow me to communicaet.		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.
I hear beeps in the headset.		• 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			Be sure the handset lifert power cord is frmli y pushed into
utb	does not lift hdsean			t.	het	handset lifert		jack on the base.
My hdsean			t lifert operaest		telliIn	Sandt is en		abled. To disable the handset lifter, move
ver		y time I remove or			het telliIn		Sandt sw itch to position		.
eplr	aecm		y hesetad in	the
baesu		nit.

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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