Operating the phoenix model 1800 – Activeforever Phoenix Model 1850 Knee CPM User Manual
Page 10
 
OPERATING THE PHOENIX MODEL 1800
 
Power On and Off 
 
The ON/OFF switch is located at the base of the black control box. When the unit is powered ON it will beep 3 times and the 
green power indicator light on the hand-held control pendant will illuminate. This indicates that the unit is ready for use. 
 
Phoenix Model 1800 Knee CPM Control Pendant 
 
The control pendant consists of four (4) control knobs: 
 
1. Flexion: 10 to 110 degrees 
2. Extension: -5 to 95 degrees 
3. Speed: 1 degree per second at lowest setting, 3 degrees per second at highest setting 
4. Pause: 0 to 30 Seconds* 
 
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To change the flexion and extension settings, simply turn the control knobs to the
desired range of motion.
 
Note: A 15 degree difference between flexion and extension is required for normal operation. Should the angle settings be 
close or overlap, the unit will stop and a continuous beeping alert will sound until the settings are corrected. 
 
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Set speed and pause by turning the corresponding knob.
 
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Press the red button at the top of the pendant to begin cycle or to stop the unit.
 
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Close the cover to protect analog dials, and secure with the Velcro strap.
 
 
 
Power indicator light
Patient must have access to hand-held
control pendant at all times. 
The Stop/Start button located at the top of 
the control pendant allows patient to stop the unit as 
needed. As a safety feature, the unit will travel in the 
opposite direction when the button is depressed again. 
*
Pause option:
Phoenix Models are set to pause at the end of flexion
and extension cycles. This setting can be changed to 
pause the CPM device in extension only.