Jennings CL-600 Scale User Manual
Contents
1. JENNINGS SCALE CJ 600 MANUAL PLEASE READ COMPLETE INSTRUCTIONS BEFORE USE Thank you for purchasing the Jennings CJ 600 scale With nominal care and proper treatment it will provide years of reliable service Please read all operating instructions carefully You can contact us at www jscale com KEEP THE FOLLOWING POINTS IN MIND e If the display becomes locked on Qute please recalibrate the scale e Avoid lengthy exposure to extreme heat or cold Your scale works best when operated at normal room temperature Always allow the unit to acclimate to a normal room temperature for at least one hour before use e Allow sufficient warm up time Turn the scale on and wait several seconds to give the internal components a chance to stabilize before weighing e The cleaner the environment the better Dust dirt moisture vibration air currents and proximity to other electronic equipment can all cause an adverse effect on the reliability and accuracy of your scale e Handle with care Gently apply all items to be weighed onto tray top Although this scale is designed to be quite durable try to avoid rough treatment as this may permanently damage the internal sensor and void your warranty e Avoid shaking dropping or otherwise shocking the scale This is a precision instrument and MUST BE HANDLED WITH EXTREME CARE e IMPORTANT ADVICE Place the item to be weighed on the platform After the stable weight is displayed remove th2. the MODE key to lock in the weight The display will show 10 and the scale is ready for counting oOarkwn NOTE You can choose the quantity of samples as 20pcs 50pcs or 100pcs by pressing the PCs key multiple times instead of once For 20pc counting the display will show S 20 Put 20pcs samples on the platform and then press the MODE key The display will show 20 and the scale is ready for counting The same instructions can be applied to 50pcs counting and 100pcs counting Zero Tare Press the Z T key to reset the scale to zero This can be used for eliminating from a sample or a tray container the weight value of a container Weight is permanently removed for the rest of the procedure Just turn on the scale Place the tray or container on weighing platform Press the z T key The scale will show 0 0 or 0 00 on the display You can now add items to the container or tray PONS NOTE When all weights are removed from the weighing tray the tared value of the container will be displayed as a negative number Cycle the power on the scale to reset the scale to zero Cover Bowl The CJ scale comes with a cover that also acts as a unique pouring bowl Please keep your CJ scale covered at all times when not in use to protect it from damage AC Adapter The CJ scale can be operated on AC power with a standard 4 5 volt AC a
3. dapter Use the correct AC adapter for this scale An incorrect power AC adapter can cause damage to the scale and possible fire or injury Weighmeter On the side of the display you will notice a series of bars that increase as the load on the scale increases This is our Weighmeter invention It helps you know the remaining capacity on the scale and also will indicate an overload if one occurs Please use the Weighmeter to monitor your weighing loads and please do not overload this scale Roseco Wholesale Jewelry Findings amp Supplies roseco com 800 527 4490 z a
4. e item immediately This will prolong the longevity and accuracy of this weighing instrument e These electronic scales are precision instruments Do not operate near an in use cell phone cordless phone radio computer or other electronic device These devices emit RF and can cause unstable scale readings If your scale ever performs poorly try moving the scale to a different room or location This is a very precise scale the display may seem to wander or jump when weighing This is due to air currents or vibrations Stable weighing is achieved when the display remains fixed for 3 seconds OPERATION Battery Operation 1 Three AAA size ALKALINE batteries are required 2 To install batteries a Release the battery cover by sliding outwards b Place batteries into battery compartment Align the batteries correctly c Replace the battery cover 3 The scale is now ready for battery operation DO NOT USE EXCESSIVE FORCE AND DO NOT PRESS ON THE TRAY Roseco Wholesale Jewelry Findings amp Supplies roseco com 800 527 4490 4 CALIBRATION ADVANCED USERS ONLY IMPORTANT This scale was professionally factory calibrated before shipment and does NOT need to be recalibrated by the end user However if you wish to recalibrate your scale we provide these instructions for calibration Repeat calibration if the scale ever shows Qut2 Incorrect calibration can occur if you do not follow the steps exactly If your scale does
5. not perform accurately please try replacing your batteries before you calibrate You will need a 200 gram weight or set of weights to calibrate this scale NOTE If you do not have access to a 200 gram weight you can purchase one at your local store or in emergency situations you can use coins or weights i e 40 US nickels 200g as a 200 gram weight 1 Turn off the scale and place it on a flat very stable surface Be certain the scale is off 2 Press and hold the Z T key for 5 seconds until a random large number appears on the display Then release the key Press the Z T key again The display will show 2Ero and then 200 0 Press the Z T key The display will show CAL and then PASS calibration is complete 3 4 Gently place a 200 gram weight on the scale and wait 3 seconds 5 6 Remove the weight and turn off the scale NOTE If after calibration your scale does not read accurately this indicates a calibration error and the calibration process should be repeated more slowly Please calibrate on a very stable flat surface INACCURACY ERROR The primary reasons for inaccuracy or malfunction are low batteries incorrect calibration overload or operating on an unstable surface Please keep this in mind and maintain and operate your scale properly The scale is a precise instrument and must be handled with the upmost care and caution FEATURES Power U
6. p Segment Test When first turning on the unit all segments of the display will appear as shown 1 8 8 8 8 This display will remain for approximately 2 seconds and then reset to O Overload When an applied load exceeds the 300g capacity EEEE will appear on the display Remove the excessive load immediately Remember You can permanently damage the scale by overloading it Negative Value Any tarred value or a value left in memory will be displayed as a negative number once all weight is removed from the unit Press the z T key to re zero the unit Auto Off An auto shut off feature is provided to conserve battery power The unit will turn off automatically after approximately 2 minutes of inactivity Roseco Wholesale Jewelry Findings amp Supplies roseco com 800 527 4490 2 KEYPAD FUNCTIONS Mode Press and release the MODE key once to change weight unit You can select g grams oz ounces dwt pennyweight or pes parts counting On Off Press the ON OFF key to turn on the unit Once the unit is on press and hold the same key to turn it off PCS Count Sample sizes can be 10 20 50 or 100 The following steps outline the procedure for cumulative weighing of samples 1 Turn on the scale Use the Mode key to put the scale into PCS mode Now press the PCs key once The display will show S 10 Put 10 pieces of samples on the platform Press
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