Rice Lake 550-10-1 Digital Chair Scale

Introduction

The 550-10-1 digital chair scale is efficiently designed to provide accurate, reliable, and repeatable weight measurements. It features an ergonomic design with two armrests that can be lifted separately and a footrest that can be folded. Its four swivel casters can be locked in place.

Manuals are available from Rice Lake Weighing Systems at www.ricelake.com/manuals.

Warranty information is available at www.ricelake.com/warranties.

FCC Compliance

United States

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.

Canada

This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications.

Disposal

Product Disposal

The product must be brought to appropriate separate waste collection centers at the end of its life cycle. Proper separate collection to recycle the product helps prevent possible negative effects on the environment and to health, and promotes the recycling of the materials. Users who dispose of the product illegally shall face administrative sanctions as provided by law.

Battery Disposal

Dispose of batteries at appropriate waste collection centers at the end of their life cycle in accordance with local laws and regulations. Batteries and rechargeable batteries may contain harmful substances that should not be disposed of in household waste. Batteries may contain harmful substances including but not limited to: cadmium (Cd), lithium (Li), mercury (Hg) or lead (Pb). Users who dispose of batteries illegally shall face administrative sanctions as provided by law.

WARNING: Risk of fire and explosion. Do not burn, crush, disassemble or short-circuit batteries. Do not replace battery with incorrect type.

Safety

Safety Definitions:

• DANGER: Indicates an imminently hazardous situation that, if not avoided, will result in death or serious injury. Includes hazards that are exposed when guards are removed.
• WARNING: Indicates a potentially hazardous situation that, if not avoided, could result in serious injury or death. Includes hazards that are exposed when guards are removed.
• CAUTION: Indicates a potentially hazardous situation that, if not avoided, could result in minor or moderate injury.
• IMPORTANT: Indicates information about procedures that, if not observed, could result in damage to equipment or corruption to and loss of data.

General Safety

Do not operate or work on this equipment unless this manual has been read and all instructions are understood. Failure to follow the instructions or heed the warnings could result in injury or death. Contact any Rice Lake Weighing Systems dealer for replacement manuals.

WARNING

• Failure to heed could result in serious injury or death.
• Ensure every individual who operates or works with this unit has read and understands all safety information.
• Do not transport the scale while someone is on the scale.
• Do not allow minors (children) or inexperienced persons to operate this scale.
• Do not use in the presence of flammable materials.
• Do not use this product if any of the components are loose or cracked.
• Do not use near water.
• Do not use the scale on slippery surfaces, such as a wet floor.
• Do not use this scale when a person's body or feet are wet, such as after taking a bath.
• Do not place fingers into slots or possible pinch points.
• To avoid cross contamination, the scale should be cleaned regularly.
• Prior to cleaning, make sure the scale is disconnected from the power source.
• People with disabilities, or who are physically frail, should always be assisted by another person when using this scale.

IMPORTANT

• Do not drop the scale or subject it to violent shocks.
• Do not jump on the scale.
• For accurate weighing, the scale must be placed on a flat, stable surface.
• Operating at voltages and frequencies other than specified could damage the equipment.
• Avoid contact with excessive moisture.
• Do not make alterations or modifications to the scale.

Rice Lake Weighing Systems offers optional AC adapters; utilizing an adapter not supplied by Rice Lake Weighing Systems voids all warranties and approvals.

Weight exceeding the maximum capacity may damage the scale.

Assembly

Unpacking

Place the unopened box in an open area that has ample room for unpacking the scale. Open box and check if parts were damaged in shipment, notify Rice Lake Weighing Systems and the shipper immediately.

Parts contained in the shipping box include:

• The chair scale
• This manual
• Box labeled Parts Inside
• Serial communications cable
• AA batteries (6)
• 5 mm Allen key
• M6 x 16 Allen screws (4) - used to attached seat to base

Repackaging Scale

Retain the packaging for use in the event that the scale must be returned or moved. The product must be properly packed with sufficient packing materials. Whenever possible, use the original carton and packing materials when shipping the scale back.

IMPORTANT: Damage caused by improper packaging is not covered by the warranty.

Scale Setup

Use the following steps to set up the 550-10-1 digital chair scale.

1. Move the carton to an area where the scale can be assembled. It's recommended that the scale be placed on a hard, level surface for the most accurate weighments.
2. Locate the operation manual from inside the box and set aside as it will provide instructions on the proper setup.
3. Locate and remove the “Parts Inside” box and locate the 5 mm Allen key.
4. Remove the top packaging material and remove the seat from the attached packaging material.
5. Set the seat aside for later assembly.
6. Remove the side and the back handle packaging material pieces.

NOTE: The chair is heavy so use assistance in taking it out of the box and placing it on the floor; making sure it does not get dropped.

7. Lift chair off of packaging material using assistance and place it on the floor.

8. Collect the packaging material pieces and place them back in the carton.

Chair Assembly

Use the following steps to assemble the chair.

1. Use the Allen key provided in the “Parts Inside” box.
2. Release both of the screws holding the back handle frame.
3. Remove Styrofoam pieces from the main handle.
4. Pull out the back handle frame and rotate it so that the indicator will be facing up.
5. Insert the main handle into the frame and secure it with the screws.
6. Connect the load cell cable and indicator cable, making sure to position the load cell cable on the grooves so that it doesn't get damaged or pinched.
7. Use the Allen key (provided), to loosen both screws holding the arm rest frame.
8. Rotate the arm rest until the arm rests are parallel to the seat base.
9. Tighten the screws to secure the arm rests in place.

IMPORTANT: The arm rest has a movement range to allow easy access.

CAUTION: Do not lean heavily on the armrests. Unnecessary force could injure the patient and damage the scale.

Lock the brakes of the chair before allowing a person to sit down.

10. Place the seat on the seat base and secure it into place using the four (4) M6 x 16 Allen screws (included in parts kit).
11. Use level bubble to check for level and adjust feet as needed by adjusting nuts located on top of each caster wheel.

NOTE: Ensure casters are in a locked position prior to having a patient seated on the chair scale by pressing down to lock.

12. Foot rest must be in the up position prior to patient sitting down on the chair scale. Once the patient is seated, the foot rest can be lowered.

Insert Batteries

The six AA batteries supplied with the scale provide an average of 25 hours of continuous use.

To install the batteries:

1. Turn thumbscrew counterclockwise then remove battery cover.
2. Insert batteries into the battery chamber as illustrated.
3. Put the cover in place and turn the thumbscrew clockwise to secure.

NOTE: Remove the batteries prior to storing if the product is not going to be used for an extended period of time.

NOTE: If the LO BAT indicator activates, for accurate weighing, replace the batteries or connect the scale to an AC power source as soon as possible.

Power Connection

An optional AC power adapter can be used when a power outlet is available.

IMPORTANT: Only use power adapters supplied by or purchased from Rice Lake Weighing Systems. The use of a power adapter not from Rice Lake Weighing Systems voids the warranty.

NOTE: The battery annunciator on the display turns off when using an AC power connection.

The brightness of the backlight is reduced to 60% when using battery power.

Operation

Key Descriptions

The display has 10 front panel keys. Key functions are described in the table below.

IMPORTANT: The front panel keys are very sensitive, so only a gentle press is required.

Weighing

Use the following steps to weigh.

1. Press

   On/Off

   to turn on the scale. 0.0 appears on the display along with the ZERO annunciator.
2. Place the patient on the scale. The patient's weight is displayed, the LOCK annunciator is on and the indicator beeps to indicate the end of the weighing process.
3. Press

   LB/KG

   to change the display from lb to kg and vice-versa.
4. Press and hold

   On/Off

   until OFF displays to turn off the scale.

Hold/Release Function

Use the following steps to use the Hold/Release function.

1. Press

   On/Off

   to turn on the scale. 0.0 prompts along with ZERO on the display.
2. Press

   Hold Release

   once the patient's weight stabilizes. The patient's weight and the HOLD and LOCK annunciators remain on the display when the patient is off the scale.
3. Press

   Hold Release

   again to return the scale to zero.

NOTE: Pressing

LB/KG

NOTE: Pressing

On/Off

Preset Tare

Use the following steps for the Preset Tare function prior to patient weighing if additional items are being used by the patient.

1. Press

   On/Off

   to turn on the scale. 0.0 appears on the display along with the ZERO annunciator.
2. Place additional item(s) on the scale.
3. Press

   TARE

   until the display returns to 0.0 and NET annunciator appears on the display.
4. Remove additional item(s) from the scale. The weight displays with a negative symbol to the left of it.

NOTE: Not removing the additional item(s) prior to patient weighing will also work.

5. Position the patient and additional item(s) on the scale. The display identifies the patient weight. The NET annunciator is still active. The weight of the additional item(s) remains stored in memory for the duration of this weigh in.

6. To cancel the tare weight, remove patient from the scale and press

TARE

NOTE: Tare weight is also canceled when the scale is turned off.

Toggle Tare

Use the following steps to use the Toggle Tare function when the additional item to be weighed is known.

1. Press

   TARE

   when the scale is empty and 0.0 displays. The default values prompts while 0.0 is flashing on the display (default is programmed to be 33.0 lb/15.0 kg).
2. Use

   Up Arrows

   and

   Down Arrows

   to adjust the value. Press

   ENTER

   to start the tare function. The NET annunciator turns on instead of the GROSS annunciator.

Using the Body Mass Index (BMI) Function

LB Mode

1. Ensure that the scale is at zero.
2. Place the patient on the scale to obtain a weight. The LOCK annunciator appears on the display.
3. Press

   BMI

   . The BMI and FT/IN annunciators appear on the display and a default height value of 5 feet - 7.5 inch (5 - 07.5) is flashing.
4. Use

   Up Arrows

   and

   Down Arrows

   to adjust the height value.
5. Press

   ENTER

   .
6. The BMI value and BMI annunciator are shown on the display. Press

   CLEAR

   to return to the Weighing mode and the BMI function will be turned off.

KG Mode

1. Ensure that the scale is at zero.
2. Place the patient on the scale to obtain a weight. The LOCK annunciator appears on the display.
3. Press

   BMI

   . The BMI and CM annunciators appear on the display and a default height value of 170.0 cm (170.0) is flashing.
4. Use

   Up Arrows

   and

   Down Arrows

   to adjust the height value.
5. Press

   ENTER

   .
6. The BMI value and BMI annunciator are shown on the display. Press

   CLEAR

   to return to the Weighing mode and the BMI function will be turned off.

Troubleshooting

Refer to the following table to check and correct any failure before contacting service personnel.

Configuration

Setup Switch

Access to the setup switch is located under the tilt stand cover. Use a Phillips head screwdriver to remove the four screws holding the cover in place.

General Navigation

Use the buttons on the front panel to navigate through the menus and parameters.

Change Parameters

• Press

  BMI

  to scroll through the menus and/or parameters
• Press

  ENTER

  to enter a displayed menu and/or parameter
• Press

  Up Arrows

  or

  Down Arrows

  to scroll through values
• Press

  ENTER

  to save the displayed selection and move to the next parameter

Enter Numbers

• Press

  ENTER

  to enter parameter value
• Press

  Up Arrows

  or

  Down Arrows

  to increment/decrement numbers
• Press

  BMI

  to move to the next digit
• Press

  ENTER

  to save value and move to the next parameter

Save and Return to Main Menu

• When a parameters selection/value is correct, press

  ENTER

  . The next parameter displays
• When all parameters selections/values are correct, SAVE displays
• Press

  ENTER

  . DONE displays.
• Press

  ENTER

  to save settings and return to weigh mode.

Configuration Mode

Use the following steps to enter into Configuration mode.

1. Ensure the scale is turned off.
2. Turn the scale on by simultaneously pressing

   On/Off

   and

   ENTER

   . Continue to hold both keys until Id appears. The unit cycles through its startup function and continues to display the software version.
3. Access the setup switch located in the back of the scale to enter the setup parameters for the scale. Use a small paper clip, small screwdriver or other similar object to press the setup switch.
4. Once the setup switch is pressed, PROG displays.
5. Scale can be configured using a series of menus accessed through the front panel when the scale is in Setup mode.

6. Press

BMI

7. Press

ENTER

Programming Mode Menu

Various parameters can be set while in Programming mode.

The following table lists the various display messages and sequence when setting up the scale.

Default Menu

The default menu is used to return the scale back to its factory settings and is shown below.

Use the following steps to return the settings back to their factory default.

1. Press

   ENTER

   . The display shows a default value of NO.
2. To change to YES, use

   Up Arrows

   and

   Down Arrows

   to adjust the value.
3. Press

   ENTER

   and the display shows DONE.
4. Press

   BMI

   to return to top level level menu.

NOTE: Selecting YES and pressing ENTER will reset to factory defaults settings without changing the calibration and will return you to Weigh mode.

Scale Calibration

Use the following steps to calibrate the scale.

1. Press

   On/Off

   and

   ENTER

   simultaneously to power on the scale. The unit cycles through its startup function and continues to display the software version. Continue to hold both keys until Id appears.
2. Access the setup switch located in the back of the scale to enter the setup parameters for the scale. Use a small paper clip, small screwdriver or other similar object to press the setup switch on the back of the indicator (under the cover).
3. Prog displays. Press

   BMI

   to toggle along the parameter menu.
4. Calib displays and enter the calibration parameters.
5. Press

   ENTER

   and a numeric value is displayed which represents the amount of weight that is used for calibration. Lb will be flashing. To switch between Ib and kg, press

   LB/KG

   or

   Up Arrows

   . Once a unit is selected, press

   ENTER

   and the right most digit will be flashing.
6. To change the calibration load value, press

   Up Arrows

   or

   Down Arrows

   to increment/decrement the flashing digit.
7. Use

   BMI

   to move the flashing digit to the left or right.
8. Once all the digits have been entered, press

   ENTER

   and Clear displays.
9. Make sure the scale platform is clear of weight and press

   ENTER

   again then ===== displays.
10. A request to put the chosen load on the platform is displayed by Put xxx.xx.
11. Put the chosen weight on the platform and press

    ENTER

    ===== displays then Save displays.
12. Press

    ENTER

    again and the display indicates Done.
13. Press

    BMI

    three times to exit back out to the top level Done parameter.
14. Press

    ENTER

    to return to Weigh mode.
15. To exit calibration without changing zero or span existing calibration, press

    CLEAR

    , then press

    BMI

    .

Test Menu

To access the TEST menu, use the following steps.

1. Press

   On/Off

   and

   ENTER

   simultaneously to power on the scale until ID flashes.
2. Press

   ENTER

   again.
3. Continue to press

   BMI

   to scroll through the various menu items.
4. Once complete, press

   BMI

   again then Done displays.
5. Press

   ENTER

   to start the weighing process.

Communication

Push-button Keypad Print

With a stable, in-range weight, press and hold

Print

NOTE: If the scale does not beep after five seconds, release

Print

If displaying weight and not BMI, the scale will send out the following 21 character string:

xxxxxxxxxuummmmm

Example:

60.1 KG= -60.1KG

In BMI mode (displaying the BMI value), the scale will send out the following data:

PATIENT WEIGHT 60.1 KG
PATIENT HEIGHT170.0 CM
PATIENT BMI 20.8

Example in KG:

-60.1KG
-170.0CM
<20.8