Part 13
well-maintained battery can be expected to provide adequate service for 1 year.
Battery replacement:
In the power management circuit in this POS system, there is a handy
battery monitor feature to help user find out when an UPS battery should be
replaced. The battery monitor will always first measure and check the UPS
battery to see if the UPS battery is already incapable of service or if there is
any sign for the possible critical fault development in the battery before it
allows the charging operation to the UPS battery. Reason for such extra check
is that indifferent recharging on a battery with some critical fault like micro
short circuit will not only boost the fault development in and total failure of the
battery but also can result in confusing system malfunction.
In the preloaded OS, there is a built in utility Power Manager that will
interface the UPS battery monitor status with user. When a healthy UPS
battery is added to an originally UPS function disabled system, the Power
Manager will enable the UPS function automatically. However, when battery
monitor disables the battery charging as designed while the UPS function of
the system is originally enabled, in other words the UPS battery is found out of
order if actually installed, there will be a popup message asking the user to
agree disabling the UPS function. The system will operate under deactivated
UPS function no matter agreed or not. However, the monitoring goes on and
the popup message will come back on next system power up boot if not agreed.
In any case, please replace the used up UPS battery at power off if the battery
is well connected there but found inoperable by such messages.
Power Supply
The operating voltage range of the power adaptor should cover the
local power supply for proper operation. The power cable, the power outlet
and any power fusing arrangements must conform to local safety regulations.
Please
never do any connection / disconnection
when system is still
powered on.
Please always keep the external power adaptor in a free air
circulation.
POWER ON/OFF
There must always be at least 10 seconds waiting before switching on
again once the system is powered off successfully.
LED Indicator
There is an LED in the logo area or under the printed logo and serves
for several purposes. The relationship between LED status and other
