1500 HD  (250-3506)            Battery Information     Faxback Doc. # 1906

Note: Replacement Battery (25-3526) can be obtained for your Radio Shack 
Store.

Place the computer on a flat, level surface. Slide the battery into the
battery compartment. Insert the AC adapter's connector into the DC IN 9.5
jack. Then, plug the adapter into a standard AC outlet and let the battery
fully charge before you use the computer on battery power.

Notes:  The battery must charge for eight hours if you are using the
        computer while the battery is charging. If you are not using the
        computer, the battery charges in about four hours.

        Do not store the battery in high temperature locations for
        extended periods. After a period of time, the battery loses its
        ability to maintain a charge. The time period varies depending
        upon use, storage conditions, and other factors.

Low-Battery Indications:

The BATTERY indicator and the computer's beeper tell the condition of the
battery in the following ways:

* Indicator does not light during normal status.
* Indicator lights green when battery is fully charged.
* Indicator lights red and a tone sounds once a minute when battery power
  drops below the power level needed for normal operation. When this 
  happens, save all important information and turn off the computer or 
  connect the AC adapter.

Note: The indicator may light red during disk operations. If the indicator
      turns off, the battery still has plenty of power.

Caution: When the BATTERY indicator lights red and the tones begin 
         sounding, you have five minutes to save your data to the hard
         disk or diskette.  Then, connect the AC adapter or another
         battery to continue using the 1500HD.  The computer loses all
         information not saved onto a disk when the power turns off. The
         adapter charges the battery in approximately 8 hours when in use,
         or 4 hours when not in use.

The 1500HD uses a nickel-cadmium rechargeable battery. The battery lasts
longest if - about once a month - you operate the unit with battery power 
until the BATTERY indicator lights red, the immediately recharge the 
battery.  Unlike lead-acid batteries, nickel-cadmium batteries forget 
how much power the have if you always keep them fully charged.


(jej/tmc-03/16/95)