28
The PortaView Plus can operate from battery power, making your unit completely portable. To use
battery power, unplug the AC charger/adapter form the unit.
When the batteries are fully charged, the PortaView Plus will operate for about 31/2 hours. The
batteries will automatically recharge whenever the unit is plugged into the AC charger/adapter and the
unit is turned OFF.
If you are using your PortaView Plus on battery power and the red Power Light starts to flash on and
off (BRIGHT-dim-BRIGHT-dim), this shows that the battery needs recharging. The light will flash
for several minutes. Then the PortaView Plus will stop working. When this happens, you must change
over to AC power (house electricity) to continue using your machine until you recharge the battery.
It is suggested that you exercise the battery in your PortaView Plus at least once a month. That is,
operate the unit on battery power until it needs recharging. Then recharge the battery by plugging in
the AC charger/adapter for 12 to 14 hours. (The unit must be turned OFF in order to recharge.) Repeat
this cycle at least once a month. When used regularly in this cycle, the battery should last for about
three years.
The replaceable, sealed battery pack is a single unit that contains the battery, connector and cover.
This unit is located on the underside of the PortaView Plus at the back of the unit. Replacement
battery packs are available from Krown Manufacturing or your local Krown distributor.
To replace the battery pack, depress the thumb notch in the center of the cover and slide the unit to
the back of the TDD. Carefully unplug the connector. Replace with a new battery pack unit.
NOTE: To avoid losing all information stored in memory while changing batteries, make sure the A/C adapter is
plugged in first.
IX
27
TAKE YOUR PORTAVIEW PLUS WITH YOU
Summary of Contents for PORTAVIEW 20 PLUS
Page 34: ...NOTE 32...