Spacelabs Healthcare Lifecard 12, Service Manual

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11
Lifecard CF Service Manual
Basic features Pacing detection on/off, hook-up display,
voice recording for patient identi Þ cation
Ancillary features Identify and delete unread recordings,
warning/error screens for battery and
memory card conditions
Hook-up display Real time display of each channel, with 60
ȝ
V/30 ms resolution and pacing annotation
Set-up options Time and date, language, display contrast,
recorder identi Þ cation
1.2.5 Power Requirements
Disposable cell Single AAA alkaline (Duracell MN2400 or
equivalent), two 24 hour recordings or one 48
hour recording
Rechargable cell Single AAA nickel metal hydride (Ansmann
600 mAh or equivalent), one 24 hour
recording per charge
Battery check User is warned of poor battery condition
before recording
Clock battery Internal rechargeable cell, charged during re
cording. The clock is maintained
for > 3 months between recordings
1.2.6 Extended Recording Mode
Channels 2 channel recording, with pacing detection
Cable Types 2 channel 3 electrode or 2 channel 4 electrode
Resolution 10
ȝ
V
Sampling Rate 256 samples per second per channel
Compression 10
ȝ
V maximum compression error when
tested with MIT-BIH Arrhythmia and
Compression databases
Capacity required 90 Mbytes for dual channel 1 week
Disposable Cell AAA alkaline (Duracell MN2400 or equivalent)
for 1 week.
User Interface Includes an audible alarm to alert the
patient if an electrode becomes detached.
Sense current is < 10 nA.
Note: other specifi cations are the same as Standard Recording Mode.