ALARM MESSAGES
32 Model 3150-B Operation Manual
ALARM MESSAGES
The following alarm messages are displayed in red letters:
PAUSE: All audible and visual alarms are turned off for 120 seconds.
To activate alarm PAUSE press
key once.
To cancel alarm PAUSE wait for 120 second PAUSE cycle to expire or press
key again.
WARNING: The monitor always powers on with the ALARMS paused for 30 seconds and then they are set to ON.
ALARMS OFF: All audible and visual alarms have been turned off:
To turn all audible and visual ALARMS ON press
key once.
To turn all audible and visual ALARMS OFF press and hold
key for three seconds.
The following alarm messages are displayed in flashing reverse video. White letters on a red back ground flashing
at a rate of once every second with an audio frequency of 4 KHz.
Press
key to reset all alarms except LEAD OFF.
HR HIGH: The high heart rate alarm limit has been exceeded for four seconds.
HR LOW: The low heart rate alarm limit has been exceeded for four seconds.
ASYSTOLE: The interval between heartbeats has exceeded six seconds.
LEAD OFF: A lead has become disconnected or the electrode offset potential has exceeded 0.5 V
This alarm cannot be reset with the
key .
Low Signal Message
If the amplitude of the ECG signal is between 300µV and 500µV (3mm to 5mm at size 10mm/mv) for a period of
eight seconds a “LOW SIGNAL” message will be displayed in yellow below the ECG waveform (see ECG
monitoring section).
Pacer Detect Message
The message “PACER DETECT DISABLED” will appear if the pacer detection circuit is disabled through the ECG
menu.
Check Electrode Message
The “CHECK ELECTRODE” message will flash in yellow should any electrode impedance value be over 50k.
The appropriate lead(s) will flash the value in red indicating that the value is outside the recommended range.
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