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X.D. Warranty 

DGH Technology, Inc. “DGH” warrants each new DGH 550 and its accompanying 
accessories (hereinafter called “Equipment”) to be free from defects in material and 
workmanship for twelve (12) months from the date of delivery to the original 
purchaser. This warranty is not applicable to any defect which is the result of an 
accident, misuse, mishandling, neglect, improper installation, improper repair or 
improper modification by persons other than DGH. This warranty does not apply if the 
Equipment has not been operated and maintained in accordance with the operating and 
maintenance manuals and instructions or bulletins issued in respect thereof by DGH. It 
is further understood that the cost of servicing replaceable and expandable items 
including parts and labor made in connection with the routine maintenance services as 
described in such Operator’s Manual is not covered under this warranty and is the 
responsibility of the purchaser. 

This warranty is strictly limited to replacement or repair of the part that is found to be 
defective in material and workmanship. At the option of DGH, said part shall be 
replaced or repaired free of charge, F.O.B. our factory by DGH. 

DGH reserves the right to make changes in the design and material of Equipment 
without incurring any obligations to incorporate such changes in Equipment already 
completed on the effective date of any such change or changes. 

This is the only warranty of this product and is expressly in lieu of all other warranties, 
expressed or implied by law or otherwise, including any implied warranties of 
merchantability and of fitness for a particular purpose. Without regard to the alleged 
defect, DGH does not, under any circumstances, assume any responsibility for the loss 
of time, inconvenience or other consequential damages, including but not limited to, 
loss or damage of personal property, or loss of revenue. DGH has neither assumed nor 
authorized any other person (including any distributor authorized to sell its Equipment) 
to assume for it any other liability in the connection with the sale of Equipment. 

X.E. Service 

If you are having problems with this unit, please refer to the appropriate sections of 
this manual. Most service calls result from a misinterpretation of the operation of the 
instrument, as described in the manual. 

However, if you feel there is a problem with the unit or a probe, please contact the 
Customer Service Department at the address below. DGH Technology, Inc. can also be 

 

Содержание DGH 550

Страница 1: ...0 PACHETTE 2 ULTRASONIC PACHYMETER OPERATOR S MANUAL SYS PA52 REV 06 2003 DGH Technology Inc Sales 800 722 3883 110 Summit Drive Suite B www pachymeter com Phone 610 594 9100 Exton PA 19341 www dghkoi...

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Страница 3: ...ption 20 IX D Data Transfer Interface Option 24 IX E IrDA Interface Option 26 X CARE AND MAINTENANCE 27 X A Cleaning Instructions 27 X B Transport and Storage Conditions 27 X C Operating Conditions 27...

Страница 4: ...e III B DGH 550 Back Panel 5 Figure III C Electronic CalBox 6 Figure XII A Wiring diagram for the SII DPU 414 printer interface cable 36 Figure XII B Wiring diagram for a typical PC interface cable 36...

Страница 5: ...here on the cornea Measurements are not dependent upon patient fixation Ease of use The corneal thickness measurement may then be used in many different ways including Lasik and glaucoma screening Las...

Страница 6: ...stance over a large viewing angle and in all lighting conditions Proven measurement algorithm which yields accurate reproducible measurements in a fraction of a second Ultra Portable Compact and light...

Страница 7: ...ement data and or configuration parameters to the operator Keys 2 Used to review measurements or to program options and numerical values presented on the display The key is also used to enter the CalB...

Страница 8: ...s After the menu has been activated the keys can be used to select the desired value for the current configuration parameter Parameters values are then chosen by pressing ENTER Probe Connector 7 Front...

Страница 9: ...550BPLCE INPUT 100 240V 50 60Hz 0 3A REPLACE FUSES AS MARKED T0 5A 250V Model DGH 550 SN XXXXX 0459 3 Figure III B DGH 550 Back Panel Fuse Holder 1 Location of AC input fuse s If a fuse needs replacin...

Страница 10: ...ss the CalBox button until the power LED lights and the will begin taking measurements If the LED fails to light or goes out before the test sequence is completed or if POOR APPLANATION is displayed r...

Страница 11: ...performs an internal self test function 5 When the power up sequence is finished the display will indicate Avg of 0 0u Std Dev 0 0u The Pachette 2 is now ready to take corneal measurements If any def...

Страница 12: ...On The Configuration Menu A complete list of all the possible parameters on the configuration menu is given in Table 1 The unshaded sections of this table identify parameters that are accessible on th...

Страница 13: ...e probe is properly applanated to the cornea Press ENTER to confirm your selection 6 If no options have been installed the unit will save the current configuration and then exit the configuration menu...

Страница 14: ...10 7 Pachymetry measurements may now be taken Refer to section VI for a detailed description of the proper method for obtaining measurements...

Страница 15: ...OF BIAS 100 1 to 199 Selects the percentage used to calculate biased measurements Mapping GOOD MEAS DELAY 1 0 sec 1 0 to 9 5 seconds Period of time before the unit will automatically store the current...

Страница 16: ...1 Perform the Power Up Sequence as described in section IV 2 Select the number of measurements to be obtained by accessing the configuration menu as described in section V 3 Position the Pachette 2 f...

Страница 17: ...To display and review each measurement and the standard deviation if enabled use the or keys If any measurement seems questionable to the operator it can be erased from memory by pressing the DELETE...

Страница 18: ...t the factory If the probe quality is satisfactory the Pachette 2 is ready to take measurements and the operator is unaware that the self test has occurred However if the probe quality is not satisfac...

Страница 19: ...y and turning on the Pachette 2 3 After power up is completed the display will indicate CALBOX MODE on the top line and 1 0u on the bottom line 4 Disconnect the probe and connect the CalBox to the Pac...

Страница 20: ...a hard copy of pachymetry data 4 Data Transfer Interface Option A serial RS232C interface that allows pachymetry data to be transferred to a personal computer for the purpose of archiving display for...

Страница 21: ...and the display will briefly indicate and then the display will indicate 9 Press the or keys to change the operational mode from Continuous Avg to Mapping Press the ENTER key to confirm your selectio...

Страница 22: ...ction At this point the Pachette 2 will either exit the configuration menu or advance to the next configurable parameter More parameters will only be available if other options have been installed Not...

Страница 23: ...on 3 With the patient in supine position and visualizing a fixation spot on the ceiling position the tip of the probe onto the cornea at the location the operator has defined as position 1 Once the pr...

Страница 24: ...to appear on the display and then retaking the new measurement Any measurement that is suspect may also be erased by pressing the DELETE MEAS key 7 All measurements remain in memory until the CLEAR k...

Страница 25: ...e the Pachette 2 can send any data to a serial printer the printer interface parameters must be properly set The interface must first be enabled and then the baud rate or data transmission rate must b...

Страница 26: ...r disable the Notes box on the printout 8 Press the ENTER or CLEAR key to save and exit the configuration menu Connecting The Printer To The Pachette 2 And Loading Paper 1 Turn off the power switch on...

Страница 27: ...ote If the printer has been previously loaded with paper the printer will automatically be brought on line when the power switch is turned on Obtaining A Printout 1 Verify that the printer is on line...

Страница 28: ...of the particular computer Refer to appendix A for a technical description of the RS232C interface as it relates to the Pachette 2 Software is also required to implement the data transfer All softwar...

Страница 29: ...u 3 above select Disabled in step 4 and then press ENTER 6 Use the or keys if necessary to select a baud rate for the Pachette 2 9600 is the default setting that matches the baud rate of the computer...

Страница 30: ...appropriate computer software program that is capable of communicating with the Pachette 2 through the designated COM port 2 Adjust the computer COM port settings to the following parity none data bi...

Страница 31: ...bjected to intense heat As a general rule the above cleaning instructions are sufficient to disinfect the probe in ordinary use Do not scratch or chip the conical probe tip which makes contact with th...

Страница 32: ...ed free of charge F O B our factory by DGH DGH reserves the right to make changes in the design and material of Equipment without incurring any obligations to incorporate such changes in Equipment alr...

Страница 33: ...ghkoi com When contacting us please provide the model and serial number for the unit These numbers are located on the back panel DGH Technology Inc TECHNOLOGY INC 110 Summit Drive Suite B Exton PA 193...

Страница 34: ...the eye or other tissue with the system activated except when making a measurement Do not make unnecessary measurements XI C Ultrasonic Intensities The Pachette 2 has only one mode and ultrasonic inte...

Страница 35: ...rticular transducer may vary from this value The tissue calculations above were done with the measured frequency of the transducer used for the tests XI D Biometric Measurement Capabilities The DGH 55...

Страница 36: ...ystem complied with the radiated and conducted emissions requirements throughout the test Tests for power harmonics and flicker were performed Tests were performed according to EN61000 3 2 1995 Harmon...

Страница 37: ...33 IEC 61000 4 11 1994 Voltage Dips and Interrupts The system complied with the radiated and conducted immunity requirements throughout the test...

Страница 38: ...Pachette 2 on pin 2 of the interface A third signal active in the interface is Data Terminal Ready DTR This is an input to the Pachette 2 that when active indicates that the interface is ready to acc...

Страница 39: ...s cable from a computer outlet store For reference the wiring diagrams for both of these cables are given in Figure XII A and Figure XII B Note If a printer other than the SII DPU 414 is used with the...

Страница 40: ...12 13 14 15 16 17 18 19 20 21 22 23 24 25 Figure XII A Wiring diagram for the SII DPU 414 printer interface cable DB 25 FEMALE DGH 550 PACHETTE 2 IBM PC COM PORT PC INTERFACE CABLE 1 FGND 2 RxD 3 TxD...

Страница 41: ...ng the velocity used to calculate all measurements The second number contains two digits and it represents the total number of measurements obtained The next four digit number represents the total ave...

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