Power Source
Main Battery
Back up Battery
12V, 2200mAh, Nickel-Cadmium battery.
A Nickel-Cadmium battery of 3.6V 50mA is used to hold the Time Data of RTC.
Battery Voltage Warning
The first warning is indicated by Low Battery RED LED and
2
beeps. The user is instructed to charge the battery
voltage to 11.7V
-
11.9V. After the first warning, the system can be used for about 30 minutes with the
FDD
10%
duty.
The second warning is indicated by Low Battery RED LED flashing and
5
beeps times. The user is instructed to
shut down the system at a battery voltage of 10.8
-
11.4V. User should close current task file. If used after LOW
Battery warning, the system shuts down and loses all RAM data.
Power Save Mode
When nothing is input for about 1
-
239 minutes (software selectable) after the last keying in, the system
automatically turns to standby mode. Pressing any key will bring the computer out of STAND-BY MODE. The
program being used when STAND-BY MODE is engaged is maintained intact.
1. The time of auto standby mode can be set from 1 minute to 3 hours
59
minutes in set up mode.
2. In standby mode, a GREEN LED lights.
3. In standby mode, memory contents will be maintained by main battery over 11 hours, at the condition of full
charge. When main battery is discharged, memory contents are lost. RED LED of Low Battery warning is
displayed in standby mode too.
4. Input Power rating (AC adapter) voltage 8
-
20V (15V, 700mA center ground).
5.
Current consumption (TYPICAL DATA)
CRT LCD
Normal use mode
FDD
SEEK
FDD MOTOR ON
STANDBY MODE
240mA 470mA
430mA 700mA
350mA 570mA
160mA
4-56
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