Invacare RPL450-2 Owners Manual - Page 49

Calibrating the Reliant Scale

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Calibrating the Reliant Scale 11 ACCESSORIES  The Reliant Scale will be pre-calibrated at the factory with the load cell. Should it be necessary to re-calibrate the scale, follow the instructions outlined below. 1. The patient and the sling must be removed from the scale to properly calibrate the Reliant Scale. For removing the patient instructions refer to Operation on page 20. For sling detachment instructions refer to Lifting the Patient on page 24. 2. With the Reliant Scale on, remove the four screws on the back of the enclosure and remove the front cover to expose the PC board. 3. Press the CAL button located on the PC board. The CAL switch is not labeled but is the only button on the PC board located in the lower right corner. Once the CAL button is pushed "CAL1" will be seen in the display window.  CAL1 selects the calibration mode using 50 pounds of calibrated weight. CAL2 selects the calibration mode for use with 200 pounds of calibrated weight. Pressing the UNITS key toggles between CAL1 and CAL2. 4. When the desired calibration mode is displayed, press the LOCK/UNLOCK key.  The display window will now show UnLd. 5. Ensure that there is no load on the scale and press the ZERO key. 6. The display window will show a dashed line (------) scrolling across and then the word LOAD will appear in the display window. 7. Perform one of the following: A. FOR CAL1 OPTION - support 50 pounds of calibrated weight from the scale and press the ZERO key. B. FOR CAL2 OPTION - support 200 pounds of calibrated weight from the scale and press the ZERO key. 8. The display window will show a dashed line (------) scrolling across and then the word DONE will appear in the display window. 9. Remove the weight from the scale and press the LOCK/UNLOCK key.  The unit will now be in a temporary test mode and will not lock the weight display. This will allow weight to be loaded and unloaded to check the calibration. 10. Turn the unit off by pressing the ON/OFF key. 11. Turn the unit on by pressing the ON/OFF key.  Scale will now be in normal operation. Part No. 1145810 49 Electric Portable Patient Lift

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11 ACCESSORIES
Part No. 1145810
49
Electric Portable Patient Lift
Calibrating the Reliant Scale
1.
The patient and the sling must be removed from the scale to properly calibrate the Reliant Scale. For removing the patient instructions refer to
Operation
on page 20. For sling detachment instructions refer to Lifting the Patient
on page 24.
2.
With the Reliant Scale on, remove the four screws on the back of the enclosure and remove the front cover to expose the PC board.
3.
Press the CAL button located on the PC board.
The CAL switch is not labeled but is the only button on the PC board located in the lower right
corner. Once the CAL button is pushed “CAL1” will be seen in the display window.
4.
When the desired calibration mode is displayed, press the LOCK/UNLOCK key.
5.
Ensure that there is no load on the scale and press the ZERO key.
6.
The display window will show a dashed line (------) scrolling across and then the word LOAD will appear in the display window.
7.
Perform one of the following:
A.
FOR CAL1 OPTION - support 50 pounds of calibrated weight from the scale and press the ZERO key.
B.
FOR CAL2 OPTION - support 200 pounds of calibrated weight from the scale and press the ZERO key.
8.
The display window will show a dashed line (------) scrolling across and then the word DONE will appear in the display window.
9.
Remove the weight from the scale and press the LOCK/UNLOCK key.
10.
Turn the unit off by pressing the ON/OFF key.
11.
Turn the unit on by pressing the ON/OFF key.
The Reliant Scale will be pre-calibrated at the factory with the load cell. Should it be necessary to re-calibrate the scale, follow the
instructions outlined below.
CAL1 selects the calibration mode using 50 pounds of calibrated weight.
CAL2 selects the calibration mode for use with 200 pounds of
calibrated weight. Pressing the UNITS key toggles between CAL1 and CAL2.
The display window will now show UnLd.
The unit will now be in a temporary test mode and will not lock the weight display. This will allow weight to be loaded and unloaded to
check the calibration.
Scale will now be in normal operation.