Epson Equity LT Bulletin download pdf (Page 5)

EPSON

EPSON AMERICA, INC.

SERVICE

PRODUCT

SUPPORT

BULLETIN

PSB NO.: S-0055

DATE: 6/14/88

PAGE: 1 of 4

SUBJECT:

EQUITY LT BATTERY LIFE

The purpose of this

bulletin is to provide additional

information regarding

battery charge life with the Equity LT.

There are several variables that can have a significant effect

on the working time obtainable from a charge. These include:

Configuration

I/O activity

Battery condition

Processor speed

Environment

Configuration

One of the more popular configurations of the Equity LT is the

hard disk drive model with the EL (electroluminescent) backlit

LCD.

Obviously, this is

also

the configuration

that will

consume the most power and provide the

shortest working time

on a charge. For example, here are some comparisons between

various configurations:

CONFIGURATION LOW BATTERY

TOTAL LIFE

Dual FDD, Reflective LCD (NA) 6:00 Hours

7:00 Hours

Dual FDD, Reflective LCD (FA) 1:20 Hours

1:50 Hours

Dual FDD, Backlit LCD (NA) 5:20 Hours

6:lO Hours

Dual FDD, Backlit LCD (FA)

0:55 Hours

1:20 Hours

HDD, Reflective LCD (NA) 4:00 Hours

4:40 Hours

HDD, Reflective LCD (FA) 0:45 Hours

1:05 Hours

HDD, Backlit LCD (NA)

3:45 Hours

4:20 Hours

HDD, Backlit LCD (FA)

0:25 Hours

0:40 Hours

NA = No access:

No activity including no keyboard input

FA =

Full access:

"COPY A:*.* B:" or "COPY A:*.* C:"

(These times are a representative sampling. Depending on

configuration and usage, your times may vary.)

It's apparent that drive and backlight usage has a dramatic

effect on working time.

EPSON AMERICA SERVICE, 23610 TEL0 AVENUE, TORRANCE, CALIF. 90505

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Epson Equity LT Bulletin Page 5

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