8.Controls And Display
8.1 Display Description and Functions
On/Off button
Ramp button
Up button
Increase Setting
Down button
Decrease Setting
Mode button
Step through the options
KEY
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FUNCTION & DESCRIPTIONOPERATION
ON/OFF | TO SWITCH “ON” | ||||
Switches the device ON and OFF | Press |
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| The device will default to display the ThermoSmart® Humidity setting. | ||||
| TO SWITCH “OFF” | ||||
| Remove your mask | ||||
RAMP | Press |
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TO SWITCH “ON” | |||||
Reduces pressure to a lower level | Press |
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to help you fall asleep. The pressure | (NB: to reset ramp during a cycle the device must be switched off first) | ||||
will gradually return to full operating |
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pressure over 20 minutes. | TO SWITCH “OFF” | ||||
INCREASE/DECREASE | Press |
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Press |
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Adjusts settings up or down |
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MODE | Press sequentially to step through and view options available. | ||||
To step through options. | |||||
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PATIENT MENU | DISPLAY |
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For viewing CPAP settings, humidity, |
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compliance data, altitude and pressure |
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settings |
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| ThermoSmart® Humidity setting (default display) |
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| For adjusting ThermoSmart® Humidity setting levels to minimize upper airway |
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| Press | and button to raise or lower settings |
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| Total run hours: displays the total number of hours the device has been |
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| Average compliance hours per night: displays average number of hours |
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| the device has been used at night with the mask on. |
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| Check sum: displays information for the medical practitioner or the dealer to |
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| check compliance. |
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| Altitude setting: displays altitude setting. Press or to change altitude. |
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| cmH2O | Pressure setting: displays pressure setting. |
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PATIENT MENU - Additional Settings | DISPLAY |
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To access additional settings:
From the Default setting "ThermoSmart® Humidity"
Press the 
key for 3 seconds
3000
cmH2O
ThermoSmart® Climate setting*
To change the delivered temperature: Press 
for warmer more humid air delivery. Press 
for cooler and drier air delivery.* Refer to Section 5.4
Altitude
Select “m” for metres or “ft” for feet using 
and 
keys.
Altitude setting
-Set the altitude level by pressing 
and 
keys
-Press 
to exit menu
Actual Pressure (Displays actual pressure)
-Display reverts to default if the menu is not exited. Press 
button in order to exit menu (only available in HC602).
Warning: Failure to select correct altitude setting (for any given location) will have an adverse effect on delivered pressure. 
* When the ThermoSmart® Climate setting is altered the Humidity Setting will revert back to default setting 2.5
A - 6
