Alarms, Troubleshooting, & Maintenance
3–5
Maintenance
Battery
To extend the life of the battery:
• Fully charge the battery once a month.
NOTE: After all four battery segments are shaded, wait at least 20 minutes before
you disconnect the monitor from the external power source so the monitor can
refresh the battery.
• Fully discharge the battery once every six months.
To discharge the battery, use battery power for monitoring a patient until only one
segment of the battery indicator is shaded. Then, connect the monitor to external power
and fully recharge the battery.
NOTE: The battery can be recharged only when the internal temperature of the monitor
is between 0 °C and 40 °C (32 °F and 104 °F).
Cleaning
Monitor
CAUTION: Do not autoclave, pressure sterilize, or gas sterilize the monitor. Do
not immerse the monitor in liquid or allow liquid to enter the interior.
CAUTION: Abrasive materials or harsh chemicals may damage the surface of
the monitor. Do not use petroleum-based solutions or solutions containing
acetone, freon, or harsh solvents.
1. Power OFF the monitor.
2. Disconnect all cables from the monitor: power supply, sensor, and any cable
connected to the RS-232 port.
3. Wipe the display lens with a cotton swab moistened with one of the following
cleaning agents:
Mild detergent solution 0.5% sodium hypochlorite (bleach)
70% isopropyl alcohol Quarternary germicides (Virex®)
1.6% phenol (Sporicidin®)
3.4% glutaraldehyde (Cidex® Plus)
4. Wipe the case with a soft cloth dampened with a cleaning agent. Do not allow
excess liquid to enter through a connector.
Sensors
To clean a reusable sensor, refer to the instructions that are provided with the sensor.
NOTE: Disposable sensors are intended for single-patient use only. Discard them after
use.
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