Overview
VF4 Infinity Gamma Series Page 1-5
Safety, Inspection, and Maintenance
WARNIN G: Because of the danger of electric shock,
never remove the cover of any device while in operation
or connected to a power outlet via the AC adapter.
In the interest of safety, regular equipment inspection and mainte-
nance is required. Once a year, check all cables, devices, and acces-
sories for damage, ground resistance, chassis and patient leakage
currents, and all alarm functions. Also, ensure that all safety labels
are legible. Maintain a record of these safety checks. For additional
information, refer to the Service manual.
Leakage current will increase when connecting multiple medical
devices to a patient. Ensure the electrical shock classification for
each device is suitable for the intended application.
Dräger recommends that safety and functional checks be per-
formed on the monitor at least once each year. The temperature
and non-invasive blood pressure circuits of the monitor should be
calibrated at least every two years. These checks should be per-
formed by authorized personnel, as described in the appropriate
Service manual.
When main or battery power is not available, the monitor stores
patient data and settings in an internal battery backed-up SRAM.
This internal battery will last approximately 10 years if the moni-
tor is operated from main power or from the lead acid or lithium
ion battery.
CAUTION: To preserve the life of the internal battery, always
leave the monitor connected to main power (using the AC adapter)
when not in use. If the monitor is stored unconnected
from line or
lead acid/lithium ion battery power, the capacity of the internal bat-
tery will be drained in approximately three years.
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