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UH1075_P139_Instructions_English.ppp 29/08/2016 16:01:45
Page 10 of 22
P139 GUARDIAN MONITOR INSTRUCTIONS
Operation of Alarm
When the bed is vacated, thereby releasing the pressure, the shallow movement sensing is frozen to prevent any
alarm from being activated. This enables a user to leave the bed temporarily without setting off alarms unnecessar-
ily. The vacation is indicated on the normal display screen with the word “Vacant”.
When the bed is re-occupied and the pressure sensitive switch is activated the shallow movement function will
resume after a short time. The occupation is indicated on the normal display screen with the word “In Bed”.
If a time has been set for the bed occupancy alarm feature an alarm will be generated after the set time period, the
monitor will display the message “BED OCCUPANCY ALARM”,and the alarm output will be activated.
Bed Occupancy Alarm Setting
To adjust the bed occupancy alarm delay setting, press the 'menu' button until the “BED OCCUPANCY” display is
observed. Press the ‘INCREASE’ button to increase the delay period. Press the ‘DECREASE’ button to decrease
the delay period,or turn the sensor OFF
Reset and Suspending the Bed Vacation Monitoring
If the alarm is active and latched (eg on radio units), then press RESET to clear the alarm. The monitor will then be
suspended (showing SUSPENDED b), until the bed is re-occupied.
For non-latched (eg Nurse Call) units, the alarm will automatically clear once the bed is re-occupied., or it can be
suspended by pressing RESET.
External Alarm
This alarm is only available on the P139xxC with the internal alarm receiver unit. This module can be coupled with
up to 32 radio linked alarm monitors and if any trigger an alarm there will be:
Ÿ
A period of 20 seconds while an audible tune is played, allowing the user to reset the source off any false
alarm
Ÿ
Activation of the alarm, with the message EXTERNAL ALARM displayed.
Ÿ
The alarm is usually reset by resetting the external equipment.
Auto-testing of Sensors
The Guardian MK3 introduces a major capability towards total reliability in monitoring. All the sensor signals are
continuously monitored for activity, even if not an a level to stimulate an alarm. If there is no sign of activity in a 24
hour period then a fault alarm is raised as this could mean the senor or connecting cable has failed. The ONLY
way to clear this alarm is to stimulate the sensor in the manner shown in the Client Set-Up Table on page
18
Remote Reset
This feature is available for the Radio (P139B) versions only and is enabled in the Hidden Menu. In essence this
stops the Guardian sending Alarm Clear messages to the pager. Instead a separate radio button mounted near to
the Guardian sends the clear signal when pressed. This allows the Guardian, with all alarms in “auto-reset” mode,
to be discretely mounted under the bed so as to not draw the attention of the client who might damage such
equipment. The pager will indicate an alarm condition but can only be reset if the alarm condition has ceased
such that the Guardian has self-reset and a member of the care staff has attended the room and pressed the re-
mote reset button. Ask Alert-iT for information about hiding the monitor inside the matress.
Recall Default
In the “hidden menu” the supervisor can store a complete snapshot of all the settings as “default”. Hence should
the operator accidentally adjust any setting wrongly, this function will restore this saved default.
Hints on use of Bed Occupancy Sensor
1
If the user is known to leave the bed at night, or if the shallow movement false alarms indicate this is
happening, then install the bed occupancy sensor. With the bed vacant the display should shows the word
VACANT. Check that this word is not present when the user is in bed and sleeping normally.
2
If the user is known to risk collapsing out of bed then there is the ability to raise the alarm on
extended vacation.
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