YPA-2100 DIGITAL REFRACTOR User Manual Version: 1.
Preface Thank you for purchasing and using our digital refractor. Please read this User Manual carefully before using this device. We sincerely hope that this User Manual will provide you with sufficient information to use the device. Our pursuit is to provide people with high-quality, complete-function and more personalized devices. Information in promotional materials and packing boxes is subject to changes due to performance improvement without additional notice. Chongqing Yeasn Science & Technology Co.
Content 1. Specifications ............................................................................................................ 1 1.1 Measurement range ......................................................................................... 1 1.2 Host................................................................................................................. 1 1.2.1 Assistant lens ........................................................................................ 1 1.2.2 Adjustment range ..
5.5.1 Crisscross matrix test (presbyopia) ...................................................... 45 5.5.2 Cross test (heterophoria) ..................................................................... 46 5.5.3 Cross fixation vision test (heterophoria) .............................................. 47 5.5.4 Cross ring test (heterophoria) .............................................................. 48 5.5.5 Horizontal coincidence test (horizontal image inequality and horizontal heterophoria) ..............
1. Specifications 1.1 Measurement range The measuring range conforms to the requirements in Table 1. Table 1 Vision tester measurement range Item Measuring range Spherical power -29.00D~+26.75D, Step size: 0.12D, 0.25D, 0.5D, 1D, 2D, 3D, Cylindrical power －8.75D～＋8.75D, Step size: 0.25D, 0.5D, 1D Cylindrical axis 0~180°, Step size: 1°, 5°, 15°. Prismatic power 0~20△, Step size: 0.1△, 0.5△, 1△, 2△, 3△. 0~360°, Step size: 1°, 5°. Prim base can be marked horizontally or Prism base vertically. 1.
1.2.2 Adjustment range 1）Adjustment range of pupil distance: 48mm~82mm 2）Forehead base can be adjusted continuously; the adjustment range should reach at least 14mm; 3）Adjustable range of near vision optometry distance(distance of near-point rod): 150mm~700mm; 4）Corneal vertex marking: 12mm, 13.75mm, 16mm, 18mm and 20mm; 5）Horizontal adjustment: ±2.5°. 1.3 Power parameters Input voltage AC 100V~240V(±10%) Input frequency 50/60 Hz Input power 1.4-0.7A 1.
100V~240V, 1.4-0.7A, 50/60Hz, Output DC 15V, 4.0A.
For DIGITAL REFRACTOR: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
For Printer: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
3. Main Structure 3.1 Host Front side (tester side) 1.Horizontal adjusting knob 9.Spirit level 2.Forehead baseplate indicator Forehead 3.Forehead baseplate knob 4.Near vision indicator 5. Cornea observation window 7.Near vision rod 6.Testing window 8.Near visual chart Back side (testee side) 12.Cornea alignment window 10.Nose baseplate 11.
13.Resetting button 1.Horizontal adjusting knob Adjust the horizontal level of the vision tester. 2.Forehead baseplate indicator Make sure the forehead of the testee contact the baseplate. The indicator is always on when the forehead doesn’t contact the baseplate; the indicator is off when the forehead contacts the baseplate. 3.Forehead baseplate knob Adjust the distance of the testee’s corneal vertex 4.Near vision indicator Light up short-distance visual chart during short-distance test. 5.
Confirm the horizontal location of the vision tester. Rotate the horizontal adjusting knob to keep the air bubble in the spirit level in the middle. 10.Nose baseplate The nose or face of the testee may contact the nose baseplate during vision test. Clean this part before every time of vision test. 11.Forehead baseplate The forehead of the testee may contact the forehead baseplate during vision test. Clean this part before every time of vision test. 12.
Turn on power switch; power indicator is lit up. 2.Printing bin Install printing papers. 3. Resetting button Press and hold resetting button for 5-10 seconds and factory default settings of printer are restored. 4. USB Port It is used for connecting and charging pad. 5.WLAN Port It is used for internet communication. Communication cable is less than 1 meter. 6.LAN Port Preserved port. 7.R232 serial port Connect to lens meter LM, computer vision tester RK and PC (preserved port). 8.
Hex wrench (1.5mm) 1Pcs Hex wrench (2.0mm) 1Pcs Hex wrench (2.5mm) 1Pcs Hex wrench (3mm) 1Pcs Screw 4Pcs (2Pcs for Near Vision Rod) Lens scrubbing cloth 1pcs 4.2 Installation Instructions 4.2.1 Install the device onto the compound table Take out 3 Pcs Stainless steel flat head set screw(M6*8), and then please refer to compound table manual, YPA-2100 DC Line maximum diameter is 11mm. Please select the suitable compound table before installation as fol1ows. 4.2.
4.2.3 Install near vision rod. Insert the vision rod into the installation hole in the vision tester host and screw the knob. Attention during installation: align the flute on the vision rod at the knob and keep the end of the vision rod close to the end of the installation hole in the vision tester host. Knob Flute 4.2.4 Horizontal adjustment after installation Rotate the horizontal adjusting knob until the air bubble in the spirit level in the middle. Spirit level Horizontal adjusting knob 4.2.
b. Log into APP on PAD as administrator. Tap the upper right “add the device”, select YPA-2100 digital refractor icon. c. Tap “next step” and perform resettings according to the tips.
d. Select the WIFI network of product YPA-2100, enter WIFI password for connection. Then tap “next step”. As shown in the picture yeasn_000281 below, connection to yeasn_000281 is completed. e. Select the router you need to connect to or WIFI signal of the printing box and enter password in the password field.
5. Directions for Use 5.1 Device Startup and Shutdown 5.1.1 Device startup 1）Insert the power plug into the socket. The power adaptor configured with the device is three-pin plug, please select suitable power socket. Note: please use dedicated power line configured with the device. 2）Start up the host first: press the power switch on the printing base, the power indicator is on. 3）After the host is initialized, start up the compound laptop and open the operation interface. 5.1.
1. Free mode Operators select sighting marks to perform optometry according to their preferences. 2. Procedure Display current procedure. 3. Red green background/black and white color inversing Red green color background can be selected. Black white color inversing in terms of sighting mark colors also can be quickly adjusted. 4. Contrast adjustment Adjust contrast of sighting marks 5. Display mode of sighting marks It can be single unit, single line, single row, full screen and ETDRS. 6.
15. Test number 16. Quick change of optometric step length Optometric step length can be quickly changed by pressing S\C\A\BIBO\BDBU. 17. Left auxiliary disc lenses Click this key to popup the choice box related to left auxiliary lenses. 18. Measurement mode Distance: distance mode, Near: near mode. Distance mode and near mode can be switched to each other by pressing “distance mode” or “near mode”. 19. Right auxiliary lenses Click this key to popup the choice box related to right auxiliary lenses. 20.
26.Sighting mark 1 Select and display sighting marks, including vision sighting marks and functional sighting marks.
27. R Right testing window, input right eye data and select right eye as the dominant eye. 28.L Left testing window, input left eye data and select left eye as the dominant eye. 29. S Spherical power input window Press S input window aside R to input the spherical power of right eye; press S input window aside L to input the spherical power of left eye. 30.
5.2.2 Assistant lens setup 1. Press “Assistant lens” key to display assistant lens interface. 2. Press corresponding keys in the interface to. The selected assistant lens will be called in the testing window and return to testing interface automatically.
Key functions are described as follows.
5.2.3 Pupil distance input 1.Pressing key, PD adjusting lens is called into the testing window. The factory default PD value is 64.0. 2. Click the data frame to be changed and input pupil distance. Input left eye PD, binocular PD and right eye PD respectively. Press “+” to enlarge PD, press “-” to reduce PD. 3. By tapping any position beyond PD entering interface, exit PD entering interface.
5.2.4 System parameter setup 1.Press to enter system parameter setup interface 2. Select needed parameter to change parameter setup. 3.After completing all the settings press and go back to the upper level. Detailed parameters settings are described as follows. 1. step length ● S：0.12D、0.25D、0.5D、1D、2D、3D； Factory setting：0.25D Set the step length of spherical power and select from 0.12D, 0.25D, 0.5D, 1D, 2D and 3D. ● C：0.25D、0.5D、1D； Factory setting：0.
crisscross cylindrical lens adjusting C does not result in changing S. On: Regardless of crisscross cylindrical lens or cylindrical lens, changes are equivalent. Off: Changes will not be equivalent. ●Binocular balance blurred vision: automatical, 0.25D, 0.50D,0.75D, off. Factory setting: automatical. Call in binocular balance sighting mark and add blurred vision amount in accordance with settings. ●Red green balance blurred vision: 0.25D, 0.50D, off. Factory setting: off.
●Date printing format: month-date-year, date-month-year, year-month-date. Factory setting: month-date-year. Set printing data format. ●Clear data after printing: on and off. Factory setting: off. Set whether to clear measured data after printing. ●Printer: on and off. Factory setting: on. When setting it to off: by pressing printing the data will be sent to the network. Printer doesn’t work. ●Prism lens printing: on and off. Factory setting: off.
● “Clean” tip: on and off. Factory settings: off. When it is turned on, press button “clean” and pop-up appears with tips “Please confirm whether to clean the data. Yes or No”. By setting the parameter “on” operator can protect the data from deletion due to accident pressing button “clean”. ●Sighting marks link: on and off. Factory setting: on. When performing optometric testing avoid calling in the assistant lens or mode resulting from the corresponding sighting mark.
5.3 Preparations before Use 1）Turn on power switch, the device is automatically initialized. 2）Confirm the device is leveled. If the device is not leveled, rotate horizontal adjusting knob to keep the air bubble in the spirit level in the middle. 3）Start up the combined tablet computer used and open the operation interface. 4）Press to input the patient’s PD, call the PD adjusting lens in the testing window. 5）Keep the patient’s forehead on the base plate, the indicator is off.
5.4 Standard Optometry Procedure Press “ 1. Press ”to start up standard optometry procedure.
2. Press to begin SUBJ subjective correction. Right eye scieropia. Baffle the left eye, change the cylindrical power of right eye to 0. Put on 0.5 sighting mark, and then gradually increase the positive spherical power until the 0.5 sighting mark becomes blurred.
3. Press to test the astigmatic axis with astigmatism disk. （1）Call in astigmatism disc sighting mark. Ask the patient: ● Do the definitions of all lines look the same? ● Which line looks especially distinct? If the answers are: ● The definitions of all lines look the same. No astigmatism. One line looks especially distinct. Multiply the smaller figure (1~6) corresponding to the especially distinct line with 30°, the astigmatic axis of the negative cylinder can be obtained.
4.Press to test the astigmatic power with astigmatism disk. Take -0.25D cylinder as increment, gradually adjust the cylindrical power until the definitions of lines to all directions in the astigmatism disc are the same.
5. Press and call in 0.8 sighting mark, take -0.25D sphere as increment to gradually adjust the spherical power until the patient sees the sighting mark clearly.
6.Press to correct right eye spherical power with red and green sighting mark (first-time red and green test). Call in spherical lens according to parameters settings. Call in red and green sighting marks. 1）Ask the patient: the letters in the red and green side of the sighting mark, which side looks more distinct? If the letter in the red side looks more distinct: press “-” to increase -0.25D spherical power; If the letter in the green side looks more distinct: press “+” to decrease -0.
7.Press to make the crisscross cylinder accurately test the astigmatic axis of the right eye. 1）Call in speckle sighting mark and ±0.25D crisscross cylinder. 2）Reverse side 1 and side 2 of the crisscross cylinder, ask the patient: which side is more distinct? When the side 1 is more distinct: enlarge the axis; When the side 2 is more distinct: reduce the axis.
3）Repeat above steps until the definitions of side 1 and 2 look the same. 4）Click key，shift to 0.5XC. 5）Click the key again, shift to automatic mode(Slit Prism).
8. Press to make the crisscross cylinder accurately test the astigmatic power of the right eye. 1）Reverse side 1 and side 2 of the crisscross cylinder, ask the patient: which side is more distinct? When the side 1 is more distinct: enlarge the astigmatic power; When the side 2 is more distinct: reduce the astigmatic power. 2）Repeat above steps until the definitions of side 1 and 2 look the same.
9.Press to correct right eye spherical power with red and green sighting mark (second-time red and green test). 1）According to parameter settings call in spherical lens. Call in red and green sighting marks. 2）Ask the patient: the letters in the red and green side of the sighting mark, which side looks more distinct? If the letter in the red side looks more distinct: press “-” to increase -0.25D spherical power; If the letter in the green side looks more distinct: press “+” to decrease -0.
10. Press to accurately adjust the spherical power to get the best vision of the right eye. Call in 1.0 sighting mark. Adjust spherical power, and ask the patient to keep eyes on the sighting mark. Ask the patient when the sighting mark looks more distinct. Take the lowest spherical power when the 1.0 sighting mark is clearly seen as the best vision of the right eye sphere. So far, the SUBJ test for the right eye is finished.
11～19. Test the best vision of the left eye according to above step 2~10. So far, the SUBJ test for the left eye is finished.
20. Press to begin binocular equilibrium test (FINAL test) 1）Open R and L testing windows. Call in binocular balance sighting mark, and 3△ face-down prism for right eye and 3△ face-up prism for left eye. 2）Ask the patients keep two eyes on the sighting mark and compare the definitions of upper and lower sighting marks. If the upper sighting mark is more distinct than the lower sighting mark: press “+” to reduce -0.
21. Binocular best vision correction Reduce the spherical powers of two eyes by -1.00D synchronically, remove the prism in the binocular testing window, call in 1.0 sighting mark; enlarge the spherical powers of two eyes by -0.25D synchronically until the 1.0 sighting mark is clearly seen by two eyes.
22. Press to begin Worth 4 dots test. 1）Call in red optical filter in R testing window and green optical filter in L testing window, and Worth 4 dots sighting mark. 2）Confirm which points the patient can see clearly. 3）Input the Worth 4 dots testing result.
23. Press to begin stereopsis testing. 1）Call in red optical filter in R testing window and green optical filter in L testing window, and stereo sighting mark. 2）Confirm if the patient can see four straight lines with stereo clearly. 3）Input the stereoscopic parallax testing result.
24. Press to test additional degree 1）Lower down the short-distance vision rod and place the visual chart in necessary working distance (generally 400mm). 2）Select the crisscross matrix sighting mark on the short-distance visual chart.
25. Press to carry out near vision test. 1）Remove ±0.50D fixed crisscross cylinder. 2）Select short-distance visual chart to test the vision. 3）Make the patient see the sighting mark clearly to reach ideal vision value.
5.5 Binocular Functional Testing Method 5.5.1 Crisscross matrix test (presbyopia) Test purpose: to test the spherical power. Test sighting mark: crisscross matric sighting mark Assistant lens: binocular ±0.50D fixed crisscross cylinder 1. Binocular distant vision test is finished, add distant vision degree in the testing window. 2. Add binocular ±0.50D fixed crisscross cylinder. 3. Lower down the short-distance vision rod and place the visual chart in necessary working distance (generally 400mm). 4.
5.5.2 Cross test (heterophoria) Test purpose: To test heterophoria Test sighting mark: Cross sighting mark Assistant lens: Binocular rotatory prime Right eye red optical filter, left eye green optical filter (red and green cross sighting mark) Binocular circular polarized optical filter (polarized cross sighting mark) 1. Call in cross sighting mark. 2. Ask the patient about the sighting mark he sees and test according his answers.
5.5.3 Cross fixation vision test (heterophoria) Test purpose: to test heterophoria Test sighting mark: cross fixation sighting mark Assistant lens: Binocular rotatory prime Right eye red optical filter, left eye green optical filter (red and green cross fixation sighting mark) Binocular circular polarized optical filter (polarized cross fixation sighting mark) 1. Call in cross fixation sighting mark. 2.Ask the patient about the sighting mark he sees and test according his answers.
5.5.4 Cross ring test (heterophoria) Test purpose: to test heterophoria Test sighting mark: cross ring sighting mark Assistant lens: Binocular rotatory prime Right eye red optical filter, left eye green optical filter (red and green cross ring sighting mark) Binocular circular polarized optical filter (polarized cross ring sighting mark) 1. Call in cross ring sighting mark. 2. Ask the patient about the sighting mark he sees and test according his answers.
5.5.5 Horizontal coincidence test (horizontal image inequality and horizontal heterophoria) Test purpose: to test horizontal image inequality and horizontal heterophoria Test sighting mark: horizontal coincidence sighting mark Assistant lens: Binocular rotatory prime Right eye red optical filter, left eye green optical filter (red and green horizontal coincidence sighting mark) Binocular circular polarized optical filter (polarized horizontal coincidence sighting mark) 1.
5.5.6 Vertical coincidence test (vertical image inequality and vertical heterophoria) Test purpose: to test vertical image inequality and vertical heterophoria Test sighting mark: vertical coincidence sighting mark Assistant lens: Binocular rotatory prime Right eye red optical filter, left eye green optical filter (red and green vertical coincidence sighting mark) Binocular circular polarized optical filter (polarized vertical coincidence sighting mark) 1. Call in vertical coincidence sighting mark. 2.
5.5.7 Horizontal Maddox rod test (horizontal heterphoria) Test purpose: to test horizontal heterophoria Test sighting mark: Maddox rod sighting mark Assistant lens: right eye horizontal Maddox rod, left eye rotatory prism 1. Call in Maddox rod sighting mark. 2. Ask the patient about the sighting mark he sees and test according his answers. Sighting mark shape Diagnosis Correction No heterophoria Align eye position, no need for correction.
5.5.9 Clock test (rotatory heterophoria) Test purpose: to test rotatory heterophoria Test sighting mark: clock sighting mark Assistant lens: Binocular rotatory prime Right eye red optical filter, left eye green optical filter (red and green clock sighting mark) Binocular circular polarized optical filter (polarized clock sighting mark) 1.Call in clock sighting mark. 2. Ask the patient about the sighting mark he sees and test according his answers.
5.5.10 Worth 4 dot test Test purpose: to test binocular fusion, suppression and dominant eye. Test sighting mark: Worth 4 dots sighting mark Assistant lens: Right eye red optical filter, left eye green optical filter 1. Call in Worth 4 dots sighting mark. 2. Ask the patient about the sighting mark he sees and test according his answers.
5.5.11 Stereopsis Test purpose: to test stereopsis Test sighting mark: stereo sighting mark Assistant lens: Right eye red optical filter, left eye green optical filter (red and green stereo sighting mark) Binocular circular polarized optical filter (polarized stereo sighting mark) 1. Call in stereo sighting mark. 2. Ask the patient about the sighting mark he sees and test according his answers.
5.5.12 Divergence test Test purpose: to test the eyes’ congregation capability Test sighting mark: the column sighting marks in the visual chart Assistant lens: binocular rotatory prism 1.Under prism mode，presss 2. Press to enter divergence test. Obscure splite Recover 3. Call in the sighting marks and display column sighting marks. 4. Increase BI prismatic power of two eyes until the sighting mark becomes obscure.
5.5.13 Congregation test Test purpose: to test the eyes’ congregation capability Test sighting mark: the column sighting marks in the visual chart Assistant lens: binocular rotatory prism 1.Under prism mode，presss 2. Press to enter congregation test. Obscure splite Recover 3.Call in the sighting marks and display column sighting marks. 4. Increase BO prismatic power of two eyes until the sighting mark becomes obscure.
5.5.14 Near –point congregation (NPC) test No vision tester is needed in the test. If the patient wears glasses, do not take them off. Test purpose: to test split point Test sighting mark: cross fixation sighting mark, or nib that can easily cause diplopia. 1. Press 2. Press to enter NPC test. 3. Put the nib in the right front of the patient and make the patient keep eyes on the nib. 4.
5.5.15 Near –point adjustment (NPA) test Test purpose: to test near-point adjustment Test sighting mark: Letter sighting mark of short-distance visual chart. Confirmation before test: Set “SPH distant vision → near vision” to SPH+ADD. 1. Press 2. Press to enter NPA test. 3. Place the visual chart in the distance of 40cm, make sure the patient see clearly the letter sighting mark with best vision. 4.
5.5.16 Negative-relative adjustment (NRA) test Test purpose: to test the negative-relative adjustment when the two eyes congregate in specified working distance Test sighting mark: column sighting marks in short-distance visual chart Confirmation before test: Set “SPH distant vision → near vision” to SPH+ADD. 1. Press 2. Press to enter NRA test. Recover Obscure 3.Place the visual chart in the distance of 40cm, make sure the patient see clearly the column sighting marks. 4.
5.5.17 Positive-relative adjustment (PRA) test Test purpose: to test the positive-relative adjustment when the two eyes congregate in specified working distance Test sighting mark: row sighting marks in short-distance visual chart Confirmation before test: Set “SPH distant vision → near vision” to SPH+ADD. 1. Press 2. Press to enter PRA test. Obscure Recover 3.Place the visual chart in the distance of 40cm, make sure the patient see clearly the row sighting marks. 4.
5.6 Customer Self-compiled program This device has standard optometric fixed programs as factory default settings. There are 6 customer self-compiled optometric programs. 5.6.1 Self-programming 1. Press button on the left side of testing interface and enter optometric programs selecting interface, where 6 editable sets of programs (A,B,C,D,E,F) can be selected. 2.Select “gear” and enter customer self-programming interface. 3.
Button Edit: edit the current step 4.After programming press button to automatically save self-compiled program, exit self-compiled program interface and return to the main interface. 5.6.2 Program running 1.Press button in the testing interface. 2.Click on the required program. For example, select program A. 3.Self-compiled program starts to run. 5.7 Communication 5.7.1 Communication with Lensmeter CCQ-800 1) Use special communication cable to connect CCQ-800 to the R232 port of the print box.
3) Click key to popup input box 4) Use CCQ-800 lensmeter to test lens data and convey the date to YPA-2100 63
5) Choose “000006”. 6) Click key to complete data import.
5.8 Pre-set ADD Relationship table between pre-set additional degree ADD and patient age (only applies to this product) Age Pre-set ADD degree（m-1） 45 at oldest 0.75 50 at oldest 1.25 55 at oldest 1.50 60 at oldest 1.75 65 at oldest 2.00 Older than 65 2.25 N/A Un-pre-set ADD degree 6.Troubleshooting In the event of device trouble, please check the device as per below chart to obtain guidance. If the trouble is not shot, please contact with Chongqing Yeasn Science & Technology Co., Ltd.
7.Cleaning and Protection Attention: Do not use any corrosive detergent to clean the device, so as not to damage the device surface. 7.1 Clean the forehead baseplate Clean the forehead baseplate before every optical test. 1）Take off the forehead baseplate Tilt the forehead baseplate forward as shown in right figure: drag in a certain direction and take off the baseplate. 2）Clean the forehead baseplate Wipe the forehead baseplate with clean and soft cloth.
the testing window glass. Attention: Wipe the testing window gently when cleaning it. Otherwise, it may scratch the testing window glass. 7.4 Clean external parts When the external parts, such as the enclosure or panel, get dirty, please wipe them gently with clean and soft cloth. For intractable stains, please dip the clean soft cloth in mild detergent to scrub the stains away and then wipe it with dry soft cloth.
8.Maintenance and Care 8.1 Replace printing papers When a red line occurs aside the printing paper, please stop using the printer and replace printing papers. Replacing steps are as follows: 1)Press the printing bin button to open the printer cover. Printing bin key Cover 2)Take out the left paper and put in the new printing paper. Attention: Pay attention to the paper roll’s direction. If the paper roll is installed reversely, the printer won’t print any data.
Press the print cover, be sure the "Printing bin key" is to the pop-up state, otherwise it will not be able to print. 8.2 Repairable and replaceable parts, such as printing base and power adapter, etc., provided by the company can only be used; other unauthorized parts may reduce the minimum safety of the device. 8.3 The fuse of the device is included in the power adapter; if damaged, please replace it with the power adapter provided by the company with fuse type of T2A/250V. 8.
11.Manufacturer’s Responsibility The company is responsible for the safety, reliability and performance impact under below circumstances: Assembly, addition, modifications, alterations and repairs are carried out by authorized personnel by the company; Electrical facilities in the room are in conformity with relevant requirements, and The device is used according to the User Manual. 12.Symbol Description The applied part of the device is Type B Attention! Please refer to accompanying documents.
D.C.
13.Electrical Schematic Diagram For further information and services, or any questions, please contact with the authorized dealer or manufacturer. We will be happy to help you.
14.Electromagnetic Compatibility Guidance and Manufacturer’s Declaration – Electromagnetic Emissions This device is intended for use in the electromagnetic environment specified below. The customer or the user of the devices should assure that the device is used in such an environment. Emissions test Compliance Electromagnetic environment - guidance RF emissions The device uses RF energy only for its internal function.
（IEC 61000-4-8） commercial environment. or hospital Note: Ut is the AC mains voltage prior to application of the test level. Guidance and Manufacturer’s Declaration – Electromagnetic Immunity This device is intended for use in the electromagnetic environment specified below. The customer or the user of the devices should assure that the device is used in such an environment.
Recommended separation distances between portable and mobile RF communications equipment and the device These devices are intended for use in an environment in which radiated RF disturbances are controlled. The customer or the user of the device can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and the device as recommended below, according to the maximum output power of the communication equipment.
