automatically.
With the monitor software, ECG data can be shown online on the PC. In addition, measured values can be saved and
revised (not available in every monitor software version). Observe the user instructions for the respective monitor
software.
6.7 Displays and signals
The ECG measuring unit can be operated in two different display modes:
In the complete display mode, the heart symbol flashes at the same rate as the heartbeat and the heart rate is
displayed as a number value.
In limited display mode, the heart rate is not displayed. Only the heart symbol flashes. Instead of the heart rate, the
following characters appear on the display: “???”.
A crossed-out loudspeaker symbol indicates that the sound is muted. The charge status of the power source is indicated
by a battery icon showing three bars for full batteries and no bars/icon flashing for discharged batteries.
If the ECG measuring unit detects an R wave, it emits a brief sound. This output can be deactivated via the receiver of
the ECG data. Furthermore, the heart symbol flashes on the display at the rate of the detected R wave.
The electrode connections are displayed by points. An open electrode is indicated by a respectively flashing point and a
connected electrode by a continuously illuminated point. Data transmission on the monitor only starts when all electrodes
are connected. If one of the electrodes loses contact, the device emits a warning sound. If the disconnected/failed
electrode is R, L, F or N the ECG signal transmission is interrupted until the electrode has been replaced or correctly
attached.The recording is not interrupted if one of the V leads comes loose.
If the measured heart rate is above or below the set limits the device will emit two short warning sounds.
The “Radio active” symbol indicates if there is a Bluetooth connection to the P.C. When the wireless connection is
established, the device emits a short sound. In the case of a broken connection e.g. if the patient moves out of the
monitor's receiving range, the device emits a pulsing sound for one minute.
All acoustic signals, except for the sound output for a detected R wave, can be muted by pressing the power button
briefly. After 3 minutes, the signal sounds automatically again if the cause is still present. Muting only applies for the
currently occurring signal. All other signals can still sound. If an event signal sound is muted, the crossed-out loudspeaker
symbol is illuminated on the display.
All acoustic outputs, except for warning signals when the connection is terminated can be permanently deactivated by
configuring via the PC monitor software.
ATTENTION:
If the sound output is permanently deactivated via the monitor software, no alarm is sounded when an
electrode falls off or when the pulse thresholds are exceeded/fallen short of.
The display has backlighting, which can be activated by a short press of the power button and switches off automatically
after 5 seconds.
Figure 5:
Labeling of the display
The following table offers a list of all occurring acoustic and optical signals which can be output by the ECG unit.
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