PACE 203H – Instructions for Use
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9.22 Internal Surveillance and
Safety Features
9.22.1 Battery Surveillance
PACE 203H is powered by a standard 9
V battery.
The PACE 203H continuously monitors
the battery voltage. The battery symbol
(see Figure 11) located in the upper dis-
play continuously indicates the remain-
ing battery voltage. The time-to-change-
battery level is reached when only one
segment (the rightmost triangular one)
remains and is blinking. Additionally, the
warning message
Change battery!
will appear approximately every 10 min
in the lower display, accompanied by an
acoustic warning signal.
Note
: The text message
Change battery!
disappears only upon the user pressing
the key
Unlock/Lock
.
Figure 11: Battery Symbol
If the time-to-change-battery warning is
disregarded, and the voltage falls below
a critical value, then the empty battery
symbol blinks, requesting an immediate
change of the battery (see chapter 11.2).
This action is accompanied by the
warning message
Hurry up! Change battery!
and the acoustic warning signals every
2 minutes.
The lifespan of the battery depends on
the set stimulation parameters. In chap-
ter “Technical Data” on page 109 the
lifespan for 100% stimulation in two
usual modes (DDD, VVI) are given for
alkaline and lithium batteries.
During a battery change, PACE 203H is
capable of providing continuous opera-
tion for at least 30 seconds.
Warning
: In order to provide continuous
operation of the pacemaker during bat-
tery changes, it is recommended that the
battery will be replaced before being
completely drained (see also chapter
11.2).
If PACE 203H is switched off, or to the
stand-by state after the first request to
change the battery has appeared, the
battery must be replaced before the
pacemaker is turned on again. The bat-
tery can be changed without losing the
stored settings.
The battery surveillance cannot be
turned off with the Alarms on/off option
(see chapter 9.12.5.2).
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