Calibration procedure – Activeforever Phoenix Model 1850 Knee CPM User Manual
Page 19
CALIBRATION PROCEDURE
MODEL 1800
TOOLS REQUIRED:
Straight Edge, Protractor, 3/32 Allen Wrench, Phillips Screwdriver, 2 Position Jumper, Voltmeter
INSTRUCTIONS:
Turn the machine off. Remove knee potentiometer cover. Remove top cover of the unit.
Remove 2 position jumper from J5.
Place the 2 position jumper on the zero (0) position pins 1 and 2 (Counting from the Foot Plate down)
Turn the machine on. Listen for 2 audible beeps.
Using the Start/Stop button on the Pendant move the unit into the zero position. Use a straight edge to determine the zero.
Stop the unit in that position.
Verify the Knee Pot Voltage is 2.0 volts DC.
To test this use a volt meter and touch the red lead to the red wire and the black lead to the black wire on the knee pot.
If reading is not at 2.0 volts DC then you must loosen the knee pot clamps and turn the knee pot either clockwise or counter
clockwise to achieve 2.0 volts (Warning while doing this procedure watch the tension on the 3 wires coming from the knee pot
cable) Then tighten clamps to lock the knee pot down when 2.0 volts is achieved
Remove the 2 position jumper from zero (0) position Pins 1 and 2. Listen for audible beeps.
Place 2 position jumper on the 90 degree position (90) Pins 3 and 4.
Using the Start/Stop button on the Pendant move the unit into the 90 degree position (90) using a protractor or similar device.
Stop the unit in that position.
Remove the 2 position jumper from the 90 degree position pins 3 and 4. Listen for audible beeps.
Verify the hand control settings are 0-Pause, Max- Speed, -5 extension and 110 flexion.
Press the start/stop button on the hand control and allow the unit to travel through the full range of motion.
If the unit travels through the full range of motion without binding then unit has been successfully calibrated.
Reinstall 2 position jumper on its original settings pins 5 and 6 or pins 6 and 7
2 position jumper on pins 5 and 6 (Pause in Extension only)
2 position jumper on pins 6 and 7 (Pause in Extension and Flexion)