9
Displays, Indicators and Controls
Low Battery LED
This amber LED indicates a low battery charge when blinking,
and a critical battery charge when lit solidly.
This LED does not
indicate that the Model 7500 is running on battery power.
WARNING:
This device turns off after approximately 30 minutes when in
low battery mode.
Model 7500 Front Panel Buttons
ON/STANDBY Button
Pressing this button once turns on the Model 7500. Holding this
button for at least 1 second shuts down the 7500, putting it into
Standby mode. In Standby mode, all device functions are shut
off, with the following exceptions:
• The AC Power Adapter LED is lit whenever the device is
plugged in.
• Batteries are charged whenever the device is plugged in.
Momentarily pressing this button while the unit is on initiates an
event marker.
Alarm Silence Button
This button toggles alarms between silenced and audible.
Pressing the Alarm Silence button silences the alarm for two
minutes. Pressing it again (while alarms are silenced) returns
the alarms to their audible mode.
CAUTION:
The two-minute alarm silence is automatically
engaged at startup.
Limits Button
This button displays the upper and lower limits for alarm
indications for SpO
2
and heart rate measurements.
Pressing the Limits button allows users to access advanced
menu options, including adjusting alarm settings, alarm volume,
and date and time settings. All adjustments can be made using
the Plus (+) and Minus (-) buttons.
Plus (+) and Minus (-) Buttons
These buttons adjust values for many Model 7500 functions.
The Plus (+) and Minus (-) buttons are used to adjust time, date,
volume and upper and lower alarm limits, except in Patient
Security mode.
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