Polycom HDX Desktop Systems Manuale utente

The Practitioner Cart comes with a 12VDC Sealed Lead Acid, Absorbent Glass Mat battery.

Polycom recommends that the following best practices be observed in order to optimize the

Practitioner Cart battery life. Keep this document with the Practitioner Cart for future reference.

•Beforerstuse,thebatteryshouldbechargedforaminimumofeighthours.

•Alwaysusethesamebatterytype(CSB)andmodel(EVX12520)inthePractitionerCart.Do

not switch from one type of battery to another.

•Duringstationaryoperationandwhennotinuse,thePractitionerCartshouldalways

be plugged into an AC wall outlet, keeping it fully charged and ready for use. Polycom

recommends that the Practitioner Cart be plugged into an AC wall outlet, charging the

battery as often as possible.

•AvoidrunningthePractitionerCartonbatterypowerforanextendedperiodoftime.

Draining the battery reduces its life and may result in premature battery failure.

Battery Charge LED Meter

Asthebattery’schargeisdepleted,theBatteryChargeLEDMeterwillshowtheapproximate

chargelevel.WhenallfourLEDsareon,thebatteryisfullycharged.WhentherightmostLED

is blinking, the battery is still charging.

HDX™PractitionerCartBattery

MaintenanceBestPractices

www.polycom.com

trademarksandHDX™isatrademarkofPolycom,Inc.

November2009

1725-23173-001/A

Battery Charge

LED Meter

90-100%

60-89%

31-59%

<30%

Power Alarm

Mute

Power LED

Polycom,Inc.

HDXPractitionerCartBatteryMaintenanceBestPractices

Storage

Short Term Storage

IfthePractitionerCartwillbeidleforlessthan

three months, power off the Practitioner Cart and

plug the power cord into an AC wall outlet. This

ensures that the battery does not drain while in

storageandwillbefullychargedforthenextuse.

Long Term Storage

IfthePractitionerCartwillbeidleformorethan

three months, the battery should be fully charged,

removed from the cart, and stored.

To remove the battery, follow the instructions in

the Installation Guide for 720p and 1080p HDX

Practitioner Cart.

Store the battery in a cool, dry area while the Cart

is out of use.

• Theoptimalstoragetemperatureis15ºC/59ºF.

• The battery terminals and the connector should

be protected to prevent accidental shorting.

• The battery voltage should be checked every

three months and charged if the voltage has

droppedto30%.

• Ifthevoltagedropsbelow12.5VDC,fully

recharge the battery.

Support

Forsupportorservice,pleasecontactyour

Polycom distributor or go to Polycom Support at

www.polycom.com/support.

Please consider the environment and

recycle the battery.

Charge Level Indicators

Discharging

During mobile operation of the Practitioner Cart

usingbatterypower,theBatteryChargeLEDMeter

will display the battery’s remaining charge level.

TheLEDfurthesttotheleftwillashredwhen

shutdown is imminent, indicating that the

Practitioner Cart should be plugged into an AC

wall outlet as soon as possible. Discharging the

batterybelow30%canreducethebatterylife

signicantly.Thebatteryshouldalwaysbe

completely charged after it has been drained.

The low battery alarm will beep once per

second if the battery is low unless it is silenced

by pressing the Alarm Mute button. Once the

chargelevelfallsbelow30%(andshutdownis

imminent)thealarmwillresumeagainafterone

minute.

The minimum battery voltage for the system to

powerupis9.5VDC.Whenthebatteryvoltageis

below9.5VDC,thesystemwillnotpowerup,even

if plugged into an AC power outlet.

Charging

During stationary operation, the Practitioner Cart

should be plugged into an AC wall outlet. The

Practitioner Cart should not be run on the battery

foranextendedperiodoftimeasitwilldrainthe

battery and affect the life of the battery. While

plugged into an AC wall outlet, the power supply

module will deliver AC power to the connected

equipment while simultaneously charging the

battery.TheBatteryChargeLEDMeterwilldisplay

thebattery’schargelevel.TheLEDfurthesttothe

rightwillashgreenwhenthebatteryischarging.

Itwillstopashingandremainonwhenthe

battery is fully charged.

Thebatterylifecycleisapproximately300full

dischargecyclesor700halfdischargecycles.

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