Summary of the content on the page No. 1
www.tanita.com
Push “ON” button
and wait until zero
appears before
stepping on scale
ON
OFF
KILOS
POUNDS
Pounds Kilos
WEIGHT
ZERO
Model 4521
Portable Wheelchair Scale
OPERATOR’S MANUAL
Cautions and Warnings ......................................................1
Assembly Instructions ........................................................2
Before Assembly
Assembling the Portable Wheelchair Scale
Leveling Platform
Battery Charging .................................................................
Summary of the content on the page No. 2
anita Corporation’s line of electronic scales uses the most T sophisticated microprocessor technology available. Each precision instrument is designed to provide accurate, reliable and repeatable weight measurements, as well as many other features that make the weighing process simple, fast and convenient. This operation manual contains instructions for use. In order to achieve satisfactory results, the operator must read this manual thoroughly before using this scale. If questions arise regardi
Summary of the content on the page No. 3
www.tanita.com P z ush “ON” button and wait until ero appears before stepping on scale KILOS ON OFF Pounds Kilos WEIGHT ZERO POUNDS Push “ON” button and wait until zero appears before stepping on scale www.tanita.com ON OFF KILOS POUNDS Pounds Kilos WEIGHT ZERO ASSEMBLY INSTRUCTIONS Fig. 1 Before Assembly Handle NOTE: Carefully inspect all cartons for shipping damage before unpacking. If damage is found, contact your shipper or Tanita Corporation immediately. Claims must be filed with the shippe
Summary of the content on the page No. 4
BATTERY CHARGING Switch Primary Function Secondary Function On/Off Depress to turn scale The rechargeable battery in this scale is similar to the on or off. no-maintenance lead-acid batteries used in automobiles. Since the battery is sealed, no checking of water level Kilos Depress to display While in Kilos mode, depress for average or adding of water to the battery is necessary. However, weight in kilograms reading when excessive movement (light over switch will prevents stationary measureme
Summary of the content on the page No. 5
Push “ON” button and wait until zero appears before stepping on scale www.tanita.com ON OFF KILOS POUNDS Pounds Kilos WEIGHT ZERO 4. Roll the empty wheelchair onto the scale. Wait for the Specifications moving dashes to lock in and display the weight of the Dimensions wheelchair. 5. Record the wheelchair weight. Height ......................................................................2.5" Width....................................................21.25" to 29.75" 6. Remove the wheelchair from
Summary of the content on the page No. 6
Taking a Weight Measurement Calibration 1. Once the chair weight has been zeroed out and the Note: Your scale has been accurately calibrated at the display reads “0,” have the patient sit on the chair. factory. However, there is always a possibility that the calibration changed due to jarring during shipping. The 2. The moving dashes will lock in and display the following procedure should be followed to check and/or patient’s actual weight. correct any error in calibration. 3. Weight measuremen
Summary of the content on the page No. 7
KILOS ZERO POU S ND . . www tanita com Push “ON” button and wait until zero appears before stepping on scale ON OFF Pounds Kilos WEIGHT TROUBLESHOOTING The following guide will help you to solve common problems: PROBLEM SOLUTION Incorrect patient A. Platform is too low and hitting platform feet or weight readings carpet. Increase platform height. See “Leveling the Platform” on page 2. B. Person, other than person being weighed, is touching or leaning on scale handlebar C. Weight of wheelchair
Summary of the content on the page No. 8
PARTS LIST COMPUTER BOARD DISPLAY BOARD Qty Part Description Qty Part Description Location Qty Part Description Location 1RES.CF 120 1/4W 5% RES. CF 3.9K 1/4W 5% R1 CRYSTAL 6.0 MHz C22 X1 1RES. CF 10K 1/4W 5% RES. CF 2.7 1/4W 5% R2 OPTICAL 7-SEG.-RED MAN 4710A D1 RES. CF 1K 1/4W 5% R3 OPTICAL 7-SEG.-RED MAN 4710A D2 1 TRANS. NPN GEN MPS3704 RES. MOX .47 1W 5% R4 OPTICAL 7-SEG.-RED MAN 4710A D3 2 LED DISCRETE T-1 3/4 RED RES. CF 1K 1/4W 5% R5 OPTICAL 7-SEG.-RED MAN 4710A D4 4 7-SEG DISPLAY RES. C
Summary of the content on the page No. 9
WARRANTY Tanita Corporation (“Tanita”) warrants that for a period of three years from the date of purchase, this product will be free from defects in material and workmanship. This warranty covers all components of this scale, with the exception of the AC adapter. The AC adapter is warrantied for one year. Tanita, at its option, will repair or replace this product or any component of the product found to be defective during the warranty period. Replacement will be made with a new or remanufactur
