Recharging The Battery; Replacing The Battery - GE TruTrak+ 3900 User Manual

3900/3900P User's Manual
To clean the outer surface of the oximeter, use a soft cloth dampened with a mild
soap and water solution or one of the following solutions:
CAUTION: To prevent damage to the 3900P printer, do not allow any cleaning solution to get into
the printer mechanism.

Recharging the battery

The oximeter's internal battery (a sealed pack of 8V lead-acid batteries) provides
the following operation times when it is new, used at normal temperatures, and
charged to full capacity:
•
•
A LOW BATTERY message appears when 5 to 15 minutes of battery operation
remain. When the alarm message CONNECT UNIT TO LINE POWER appears
during operation on battery power, an audible alarm sounds and the oximeter
automatically shuts off in approximately 10 seconds.
Important: To prevent permanent damage to the battery, recharge a discharged
battery within eight hours after the LOW BATTERY message is displayed.
To recharge the battery, plug the oximeter into the AC power supply. The
oximeter is operational while recharging the battery.
The battery charging times are approximately
•
•
Under normal conditions, the battery lasts for several hundred charge/discharge
cycles. The battery will not overcharge.
Batteries stored for extended periods of time should be recharged every six
months to maintain the charging capacity of the battery.

Replacing the battery

If the battery will no longer recharge with AC power connected, it should be
replaced. Battery replacement should be performed by authorized service
personnel only.
6-2
70 vol% isopropyl or ethyl alcohol
quaternary ammonia
3 vol% hydrogen peroxide in water
100:1 bleach solution
Cidex® plus activator (ready solution contains 2 vol% glutaraldehyde)
Sodium hypochlorite solution (5 vol%)
3900/3900P: at least 5 -1/2 hours of continuous operation.
3900P: approximately 4 hours of operation when printing.
4 hours for 80% battery capacity.
8 hours for 100% battery capacity.