Polycom HDX Desktop Systems User manual

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
©2009,Polycom,Inc.Allrightsreserved.Polycom®andthePolycomlogoareregistered
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
2
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.
Pb
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.