Sondar 4000 User`s Manual
Contents
1. 2 Current output adjustment 1 Compensate the current output at Engineering Mode 2 3 The current output does not work The lightening or wrong connection of polarity can damage the current output element 1 Check the connection status of current output terminal block 2 When the connection is correct contact us Density Display Value 1 Display value is 0 Since display value is a relative one wrong adjustment of ZERO ADJ in circuit may affect the display value 1 Re adjust Zero and Span setting 2 When such condition is not corrected contact us 2 Display value is Full value When foreign materials are attached to the sensor surface measurement is not possible Or when there is no RX signal due to wrong connection of sensor wires only full value is displayed 1 Check if temperature value is normally displayed 2 Check the connection of sensor cable If there is no problem of sensor connection such display of only full value may be resulted from attachment of foreign materials to the sensor surface 3 Check the cleanliness of sensor 3 Display value is not stabilized When the sensor surface is not clean or the sensor connection is not stable RX signal is also unstable 1 Check the cleanliness of sensor 2 Adjust Damping rate Temp Display Value 1 value of temp is displayed Since temperature is used for density compensation temperatur2. 20 SPAN OFFSET ADJ 20 SONDAR4000 Span Adjust 17 ZERO ADJ 18 AUTO ZERO ADJ 19 SPAN ADJ 20 SPAN OFFSET ADJ Span Offset Adjust 17 ZERO ADJ 18 AUTO ZERO ADJ 19 SPAN ADJ 20 SPAN OFFSET ADJ D1 This option is to adjust the span amplification ratio Refer to Zero and Span setting at page 10 Range 0 255 17 ZERO ADJ 18 AUTO ZERO ADJ 19 SPAN ADJ 20 SPAN OFFSET ADJ D2 This option is to compensate the density curve when the change of density is not linear against ultrasonic attenuation The present span density X XX will be shown on the left The right 0 00 is flickering for desired span value setting Ex 1 5 00 gt 2 00 Ex Il 5 00 gt 7 00 10 00 10 00 7 00 5 00 00 es 2 00 0 0 21 SONDAR4000 5 Maintenance Maintenance 1 Controller Install it at a clean place without dust particles or other foreign materials if possible and use the fine cloth to clean it 2 Sensor It is recommended to periodically check the cleanliness of the sensor surface Clean the sensor based on the user s experience When the density of more than average value is displayed be sure to check the cleanliness 3 Cable Do not allow it to come into contact with solvent or chemicals Place it at a place distant from the motor big machine or others generating electric noise As shown in the below figures when viscous m
3. RELAY1 ON 10 RELAY1 OFF 11 RELAY2 ON 12 RELAY2 OFF This option is to set fail safe time Push Set button and use Up or Down button to set value among 3 8 Hold 22mA This option is to set Relay 1 Relay On Push Set button and use Up or Down button to set density value It is desirable to set density value under consideration of connection device and control method This option is to set Relay 1 Relay Off Push Set button and use Up or Down button to set density value It is desirable to set density value under consideration of connection device and control method This option is to set Relay 2 Relay On Push Set button and use Up or Down button to set density value It is desirable to set density value under consideration of connection device and control method 18 SONDAR4000 RELAY2 Off Set Factory Set 8 5 09 RELAY1 ON This option is to set Relay 2 Relay Off Push Set button and use Up or Down button to set 10 RELAY1 OFF density value 11 RELAY2 ON It is desirable to set density value under consideration of connection device and control 12 RELAY2 OFF method Select Detector Factory Set CH1 13 SELECT DETECTOR This option is to set the measuring channel This option is used only for dual channel model 14 DATA INTERVAL 15 DATA TREND 16 TRANSMIT POWER Data interval Factory Set 1min This option is to set inve
4. a BOX 1 I 1 32 YR 60 50 220 J 48 L444 _ 12 Cable Protector lt Immersion Type gt lt Pipe Type gt 7 SONDAR4000 Cable Connection Open a base cover and 23 27 terminals in one row are shown as follow 1CH 2CH O 2 6 DE O 40 aD ad a3 G4 ad ad a7 18 ad O Ep SENSOR DIGITAL gt mA1 R1 R2 CER CLEAN POWER RX RX TX TX TX RX GND NO COM NC NO COM NC NO COM NC L N lt Input amp Output Terminals gt Terminal Terminal Function Remark 1 RX RX sensor s signal output wire connection 2 RX RX sensor s GND wire connection 3 TX TX sensor s GND wire connection 4 TX TX sensor s signal output wire connection 5 VCC DC power When using RS232C RS232C transmission connection When Option 6 TX using RS485 interface Y connection When using RS232C RS232C receipt connection When using Option 7 RX RS485 interface Z connection 8 GND GND for digital communication 9 mA Current output 4 20mA outputs in proportion to density Max 7500 10 mA Current output return Alarm1 Relay s NO contact On Relay operation it shorts with 11 R1_NO A1_COM 12 R1_ COM Alarm Relay s COM contact Alarm1 Relay s NC contact When Relay does not operate it 13 R1_NC shorts with A1_COM Alarm2 Relay s NO contact When Relay operates it shorts with 14 R2_NO A_2 COM 15 R2_COM Alarm2 Relay s COM contact Alarm2 Relay
5. Output and Alarm On Wrong Operation When the device does not normally operate a specific current output selected by the user among three options 3 8 mA Hold or 21 mA different from those under normal operation is resulted leading to operation of a relay for alarm of wrong operation As a result the fact of wrong operation is informed to a remote operator Sensor Cleaning Attachment of sludge to the sensor surface can affect actual measurement so periodic cleaning of the sensor surface is required Sensor can be cleaned according to a specific period set by the user Sensor is cleaned by operating the electronic SOL VALVE and spraying high pressure water over the sensor surface At a specified cleaning time set by the user the density meter s SOL1 and SOL2 contacts become ON leading to operation of the electronic SOL VALVE 14 SONDAR4000 Setting Mode Password Check Mode PASSWORD CHECK PASSWORD CHECK Password Number Password Number ES AAA PASSWORD OK PASSWORD WRONG RETURN MEASURE MODE When the password is confirmed When the password is wrong Push of Mode button enters Password Check Mode This is to prevent unauthorized change of setting values If wrong password is entered a message of PASSWORD ERROR and a message of RETURN OPER MODE are displayed at the same time Then the mode is returned to Operation Mode When the password is confirmed a message of PASSWORD OK is displayed and you can go t
6. SONDAR4000 Ultrasonic Sludge Density Meter User Manual V 3 8 IS Technologies Co Ltd SONDAR 4000 Aug 2003 COPYRIGHT IS Technologies Co Ltd All rights reserved No part of this publication may be reproduced transmitted transcribed stored in a retrieval system or translated into any language in any form without the written permission of IS Technologies Co Ltd WARRANTY AND LIABILITY IS Technologies Co Ltd guarantees for a period of 1 year from the date of delivery that it will either exchange or repair any part of this product returned to IS Technologies Co Ltd if it is found to be defective in material or workmanship subject to the defect not being due to unfair wear and tear misuse modification or alteration accident misapplication or negligence DISCLAIMER IS Technologies neither gives nor implies any process guarantee for this product and shall have no liability in respect of any loss injury or damage whatsoever arising out of the application or use of any product or circuit described herein Every effort has been made to ensure accuracy of this documentation but IS Technologies cannot be held liable for any errors TECHNICAL ENQUIRIES Please contact IS Technologies Co Ltd for technical support IS Technologies Co Ltd Bucheon Techno Park 203 504 192 Yakdae dong Wonmi gu Buchon si Kyeonggi do Korea Tel 82 32 621 2606 Fax 82 32 621 2612 Web Site http www sondar com
7. URRENT 20 mA Set Point Factory Set 0 00 05 4mA SET POINT 06 20mA SET POINT 07 OUPUT DAMPING 08 FAIL SAFE CURRENT Output Damping Factory Set 10Sec 05 4mA SET POINT 06 20mA SET POINT 07 OUPUT DAMPING 08 FAIL SAFE CURRENT This option is to set maximum density value Push Set button and use Up or Down button to set maximum density value It is desirable to set 3 to 4 time value of average density as max density value This option is to set 4 mA output density value Push Set button and use Up or Down button to select 4mA output density After setting push Set button and use Up Down button to move to next option This option is to set 20 mA output density value Push Set button and use Up or Down button to select 20 mA output density After setting push Set button and use Up Down button to move to next option This option determines the maximum rate at which the unit will respond to an increase decrease in sludge density Set longer time when the density is not stable Range 1 1000sec 17 SONDAR4000 Fail Safe Current Factory Set 3 8mA 05 4mA SET POINT 06 20mA SET POINT 07 OUPUT DAMPING 08 FAIL SAFE CURRENT RELAY1 On Set Factory Set 1 0 09 RELAY1 ON 10 RELAY1 OFF 11 RELAY2 ON 12 RELAY2 OFF RELAY1 Off Set 09 RELAY1 ON 10 RELAY1 OFF 11 RELAY2 ON 12 RELAY2 OFF RELAY2 On Set Factory Set 9 0 09
8. aterials are attached to the sensor A target medium does not go up to the level of sensor B foreign materials are accumulated to block the sensor surface due to low fluid speed C or there are lots of bubbles D It is not possible to conduct normal measurement Therefore careful attention should be paid to cleanliness of pipe and sensor Further appropriate actions should be taken to avoid bubbles for more accurate measurement 1 2 Ball VV gp A cae 22 SONDAR4000 6 Troubleshooting If there are any wrong operations during installation or use of Sondar 4000 Ultrasonic Sludge Density Meter please refer to the following table Items Problems Solutions Remark LCD Display 1 Display is off 2 Display flickers It is a problem of power supply to display board 1 Check the power connection 2 Check the flexible cable connection at the rear 3 Check the flat cable connection between main board and display board 3 Display is not clear Itis a problem of LCD contrast adjustment 1 Check the cable connection and separate the display board to adjust the volume resistance Current Output 1 The current output does not match with the density value The current output is displayed after conversion of digital value to analog one The current value can be compensated at Engineering Mode 1 Check mA Setpoint setting at Option 5 amp 6
9. e mail sales sondar com 2 SONDAR4000 Table of Contents 1 Product Information ARA RARA ARAS 4 IMITOCUCHON austria anae rA pa rd a Era p Melededected 4 Features A ed ts aA T A e ei a A N a 4 Specifications vcse0 acc A a es eee Ee 5 Measurement Principles beiekin ntaa e eiad iid seen aetna tases ne aiai 6 MUCOSA ia AA Ad 6 DASA CA SES obit ac dis 7 DIMENSION Geter atic A A eee es eid ade eed ae een 7 Cable Gonnection rd A A A ee ere eee eS 8 INSTalla ION Li A ds tiated A Met ee eR ee 9 Zero Setting 8 Span Setting ooococccccncccccncncncncocnnnononcncnnnnnonanoncncnnnnnnnoncnennnananincncns 10 5 HowTo Yser Armene a E al a E a aS AAA A 12 Controller erener enaiis ai aia n Aea a Aa pien ad aiaei 12 BUON ir a rade eA oes oie A a ee E 12 Operation Mode saint o a A dts of sda oa AA aa i 13 Setting Moder iii AAA AAA ee ca A 15 4 Programming eS SSS OSEOSSSSSSESOSSOOOOOSOOSOROSOOOOSOSOOOSS 16 Change of Set Values cimil A aaa aa Deve 16 5i Maintenance A AA AAA ARO A 22 6 Troubleshooting rctrrrtrrcronennnnnnnanonnnnnnanennnnnnanennnnnnanennnnnnenennnnnenennnnnnenenannnnanenacnnnanens 23 7 Option Records A RARA RA 24 3 SONDAR4000 1 Product Information Introduction Sondar 4000 is an in line sludge density meter measuring the density of sludge flowing in the pipe in the manner of ultrasonic attenuation method Since the user can adjust the setting range of current output and relay it allows active
10. e measurement should be normally continued 1 Check the sensor connection at TX 2 Temp unstable change 1 Contact us 23 SONDAR4000 7 Option Records SONDAR 4000 No Items Setting Range Initial Values 01 PASSWORD CHANGE 0 1000 0 02 DISPLAY UNIT mg L 03 LOWCUT DENSITY 0 00 Max Density 0 1 04 SPAN SCALE 0 00 Max Density 10 05 4mA SET POINT 0 00 Max Density 0 06 20mA SET POINT 0 00 Max Density 10 07 OUTPUT DAMPING 1 1000 sec 100 sec 08 FAIL CURRENT 3 8mA Hold 21mA 3 8mA 09 RELAY1 ON 0 00 Max Density 1 10 RELAY1 OFF 0 00 Max Density 1 5 11 RELAY2 ON 0 00 Max Density 9 0 12 RELAY2 OFF 0 00 Max Density 8 5 13 SELECT DETECTOR Present Time ji DATE INTERVAL 30sec 1minute cree 5 20 30 minutes 15 DATA TREND 16 TRANSMIT POWER 1 100 10 17 ZERO ADJ 0 255 18 AUTO ZERO ADJ 19 SPAN ADJ 0 255 0 0V 2 5V 0 0V 20 SPAN OFF ADJ 0 0 Full Scale 0 0 24 SONDAR4000
11. generation of alarm and control inside the processor Sondar 4000 satisfies the waterproofing requirements of IP65 displays the density value at a graphic LCD and has 5 buttons for various setting Features Insertion of sensor into pipe allows in line density measurement and it can be applicable to various kinds of sludge It measures the temperature of target medium for temperature compensation resulting in more accurate measurement Measured sludge density is displayed in digital mode or mg L Current output 4 mA 20 mA in proportion to measured sludge density Able to set the sludge density corresponding to output of 4 mA and 20 mA Having two separate SPDT relays that the user can freely set Depending on setting conditions abnormal current output 3 8 mA or 21 mA can be resulted on wrong operation enabling remote detection of such wrong operation All functions can be operated only with 5 buttons The setting values are saved at EEPROM so they are maintained even when the power is cut Free voltage 4 SONDAR4000 Specifications Physical Controller Sensor Weight Sensor Material Range Environmental IP Rating electronics housing Max amp Min temperature electronics RTX cable length Performance Accuracy Range pipe diamenter Frequency Displayed Information Temperature Compensation Outputs Analogue output Setpoint Relay Relay capacity Communication Port Pr
12. is not selected it is used for movement of option items SET Button This button is used to change the setting values and save such changed values of option selected Also it is used for movement of option items RUN Button Push of this button results in return to Operation mode from Program Mode 12 SONDAR4000 Operation Mode There are two modes Program Mode and Operation Mode Program Mode is activated by Mode button while Operation Mode is activated by Run button At Program Mode the values are set by Up or Down button After completion of setting push Set button to save the setting values Then use Up or Down button to go to other option items or push Run button to go back to Operation Mode 1 LCD Display at Operation Mode LCD shows the following display at Operation Mode lt Display at Opeation Mode gt 1 on 2 TMP oo This indicates the inside temperature Since the temperature sensor is in the This indicates the density under measurement inside of TX sensor this means actual temperature of fluid under measurement 3 00 00mA This indicates current ouput of density 4 Bar graph This indicates a percentage of current density relative to maximum density For example if the current density is 5 and max density set by the user is 10 the bar graph shows 50 of full length 5 A1 A2 FAIL A1 means that ALARM 1 RELAY is i
13. ment livestock waste treatment sludge pulp and paper mill Further it has been increasingly used at various food and chemistry processes It has the advantages of in line density measurement without interference of flow as well as easy maintenance Since lots of bubbles can also disperse the ultrasonic signals and result in high density value careful attention should be paid to occurrence of bubbles In this case a process of removing bubbles in the manner of compression or with use of magnetism can be added to get more accurate result Pipe O Zoro o E o Ons g o o o o o o Ho o o o o aly lt Principle of Ultrasonic Density Meter gt Structure A sensor is inserted into the pipe and the sensor cable is connected to a controller through a junction box The controller controls the process according to the density linked current output alarm and error relay output Sondar 4000 Cable Std 7m lt A gt coe i 4 20mA G OI 5 SPDT Relay VA S TX RX Sensor O i i i ig RS232 485 option NS 97 Controller 6 SONDAR4000 2 Installation Dimension Controller 191 0 133 0 12 0 162 0 10 0 ras an Sondar 4000 Ultrasonic Sludge Density Meter i 5 Ne i x ee NS eS AD i w A yty 34 4 17 2 17 2 344 _ 3 bh A al y L 186 0 al lt Front amp Base gt lt Side gt lt Back gt Sensor S S Flange A To Controller pd A N 4 M im 140 6 JUNCTION
14. n operation while A2 means that ALARM 2 RELAY is also in operation FAIL is shown when the device is in abnormal operation However when FAIL is indicated max density is displayed 6 FS 00 00 This indicates max measurable density 7 TIME Month Date Year Hour Minute 13 SONDAR4000 2 Alarm Relay Operation 3 4 When the measured density reaches the specified Alarm density the built in Alarm Relay operates to make output contact On or Off The Alarm density can be set by the user Depending on the user s needs RELAY 1 and 2 can be used for low density alarm high density alarm control of sludge feed pump according to density or control of sludge discharge pump Example 1 When Alarm 1 Relay is used for control of sludge feed pump When 1 00 is set for Alarm 1 Relay On and 5 00 is for Alarm 1 Relay Off the relay is On when actual density becomes less than 1 00 In this case the sludge feed pump is also turned on leading to increase of density Then if the density reaches 5 0 the relay is Off to stop the pump Example 2 When Alarm 2 Relay is used for control of sludge discharge pump When 8 0 is set for Alarm 2 Relay Off and 9 0 is for Alarm 2 Relay On the relay is On when actual density is more than 9 0 In this case the sludge discharge pump is also turned on leading to decrease of density Then if the density reaches 8 0 the relay 2 is Off to stop the pump Current
15. o next control mode 15 SONDAR4000 4 Programming Change of Set Values Push Set button at the relevant option and the corresponding set value will be displayed Push Set button again and will be indicated in front of the relevant option which will be saved Then use Up or Down button to move to other option Password Change Factory Set 0 01 PASSWORD 02 UNIT SET 03 LOWCUT DENSITY 04 SPAN SCALE Display Unit Factory Set 01 PASSWORD 02 UNIT SET 03 LOWCUT DENSITY 04 SPAN SCALE Low Cut Factory Set 0 50 01 PASSWORD 02 UNIT SET 03 LOWCUT DENSITY 04 SPAN SCALE This option is to change password Push Set button and use Up or Down button to set the desirable password After password setting push Set button and use Up Down button to move to other option t Mode gt Set gt UP or DOWN Set This option is to choose the density display unit Push Set button and use Up or Down button to select or mg L After setting push Set button and use Up Down button to move to next option This option is to set min density value display in LCD Lower than this values will be displayed as 0 Push Set button and use Up or Down button to set the value 16 SONDAR4000 Span Scale Factory Set 10 00 01 PASSWORD 02 UNIT SET 03 LOWCUT DENSITY 04 SPAN SCALE 4 mA Set Point 05 4mA SET POINT 06 20mA SET POINT 07 OUPUT DAMPING 08 FAIL SAFE C
16. ogramming On board programming Supply Power supply Applicable Channel 191x240x133mm Depends on pipe size Around 3 5kg controller S S 316 0 2 5 10 or 20 solids IP65 Controller 20 C to 60 C Controller 30 to 80 C Sensor 7m Standard 0 5 of full scale 80A 600A 1 MHz Density Temperature Alarm Statue Graphic LCD Fully compensated via integral temperature sensor over entire operational span 4 20mA into Max 7500 user adjustable 2500 Fault condition alarm 3 8mA Hold 21mA 2 SPDT Relays 5A AC250V 1 point RS 232C RS 485 Option via 5 tactile push button buttons AC 90 260V Less than 15VA 50Hz 60Hz DC24V Option Sewage treatment plant raw sludge line excess sludge line concentrated sludge line Wastewater treatment return sludge line digested sludge line Chemical process Pulp paper mill Concentration process 5 SONDAR4000 Measurement Principles In general an ultrasonic density meter measures the density of a medium based on the attenuation degree of received signals relative to transmitted signals As shown in the below figure presence of particles in a medium results in scattering of ultrasonic waves passing the medium leading to reduction of received signals Such attenuation of received signals is used to determine the density of dissolved material suspended solids or organic solution At present the ultrasonic density meter is used in the fields of wastewater treat
17. rmation When installing the sensor be sure to check if Junction Box and Controller have the same S N shown on their labels In the course of product release zero setting and sensitivity adjustment were conducted to reflect the installation conditions Therefore Controller and sensor with the same S N have to be connected If normal temperature values are not displayed check if RX and TX sensors are correctly connected or TX sensor is damaged TX sensor has the temperature sensor 9 SONDAR4000 Zero Setting amp Span Setting Calibration Procedures 1 Press MODE button at operation mode 2 Go to option No 18 by pressing Up Down button 17 ZERO ADJ 18 AUTO ZERO ADJ 19 SAPN ADJ 20 SPAN OFFSET ADJ Important information 3 It is desirable to set 2 or 3 time value of average density as max density Since presence of bubbles results in inaccurate measurement be sure to remove all bubbles if possible bi If there is a dramatic inflow of sludge into the pipe accurate measurement can be done only after the flow is stabilized Zero Setting 1 Fill the pipe with clear water and wait about 10 minutes until the flow becomes stabilized 2 By pressing SET button zero adjustment starts automatically AUTO ZERO ADJUSTING SETTING 150 C_COUNT 3860 VOLTAGE 2 30V DENSITY 9 38 When the output voltage is close to within 1 Auto SET SET NO DOWN message will display Press SET button when
18. rval of data saving 13 SELECT DETECTOR 1 5 10 30 60 120min 44 DATA INTERVAL Presently saved data is removed once change this value 15 DATA TREND The value becomes the space when check the 16 TRANSMIT POWER density trend Data trend 13 SELECT DETECTOR 14 DATA INTERVAL 15 DATA TREND 16 TRANSMIT POWER 0 DEN 9 26 92 19 SONDAR4000 To display the density trend Display 100 point data and the interval of each point is set at precious option No at 14 The upper right figure shows the density trend in percentage relative to full scale Transmit Power Factory Set 1min 13 SELECT DETECTOR This option is to set the strength of sensor power When small size of pipe in use set the value small 14 DATA INTERVAL and vice versa 15 DATA TREND Note j t in if thi l 46 TRANSMIT POWER Need to adjust zero and span set again if this valve is changed Zero Adjust Factory Set 100 47 ZERO ADJ This option is to adjust change the zero value manually TRU TO CERO ALY This option is to adjust the amplification ratio of 19 SPAN ADJ intial signal reception The amplification ration goes up relative to set value 20 SPAN OFFSET ADJ Range 1 255 Auto Zero Adjust Factory Set 100 17 ZERO ADJ This option is to adjust the zero value automatically if this value is changed 18 AUTO ZERDADJ Refer to Zero and Span setting at page 10 19 SPAN ADJ
19. s NC contact When Relay does not operate it 16 R2_NC shorts with A2_COM 17 ER_NO Fail Relay s NO contact In the case of fail it shorts with FA_COM 18 ER_COM Fail Relay s COM contact Fail Relay s NC contact When Relay does not operate it shorts 19 ER_NC with FA_COM 20 CLAEN Solenoid Valve SSR contact 21 CLEAN Solenoid Valve SSR contact L N AC power input AC90 260V 8 SONDAR4000 Installation The following figures show the installation example y TN Fixer gt Sensor detail A A A JUNCTION SS BOX lt Installation Diagram gt lt Sensor Installation gt Installation Procedures 1 Pipe installation For stable flowing installation should be conducted at a place distant from bent or expanded portions more than 5D Since accurate measurement is possible when the pipe is fully filled installation should be conducted to make the flow direction of bottom up or to make the sensor connection axis run parallel with the ground 2 Sensor installation Remove any foreign or projected materials in the sensor fixation part in order to prevent any damage in the course of sensor insertion Check if there is O ring in the sensor fixation part Insert the sensor and completely fix it with use of a fixer 3 Cable connection Usea specified cable to connect Junction Box with Controller Connect Controller s terminals Important info
20. the percentage is close to 0 Press DOWN button when the additional adjustment requires 10 SONDAR4000 Span Setting q gt O Introduce the sludge into the pipe and wait about 10 minutes until the flow becomes stabilized By pressing SET button SPAN ADJ option is shown as below figure Use Up Down button to set the DEN valve at desired level Press SET button to save the SPAN ADJ value 17 ZERO ADJ CAL 17 ZERO ADJ CAL 18 AUTO ZERO ADJ 18 AUTO ZERO ADJ 19 SPAN ADJ 19 SPAN ADJ SET1 150 20 SPAN OFFSET ADJ DEN1 1 90 11 SONDAR4000 3 How To Use Controller Open a base cover of Controller and 3 terminal blocks will be shown A sensor signal wire is connected to Rx Tx sensor connection terminal A control output and a current output are connected to control terminal while a power input is connected to power terminal Button MODE Button This button has a function of converting Operation Mode to Program Mode Push of this button at Operation Mode will show the options for Program Mode Then use UP or DOWN button to go to other options A UP Y DOWN Button This button is used to change the setting value of an option selected by Mode button One push results in increase by 1 unit while continuous push results in continuous increase Change of more than 10 from the initial value makes change of ten figures At more than ten figures 100 figures are changed When Program Mode
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