Three compression settings are available:
• Pre
• Dual
• Full
Note While the compression carriage may be moved
manually (by rotating the compression knobs),
the chain will not engage until compression is initiated
using the motor drive.
Force Calibration
Perform this calibration after replacing the compression
clutch assembly or the compression drive assembly.
1. Rotate the c-arm to 0°.
2. Enter Calibration Mode (S6-4=On).
3. Select Motor Control Calibration (S4=5, S6-8=Off).
4. Press SELECT (S2) until cfrc20 is displayed (some
older software versions have only one setpoint at 40
lbs).
5. Install an 18X24 cm Bucky.
6. Center a force gauge on the Bucky and cover with a
folded towel.
7. Install an 18X24 cm compression paddle.
8. Manually apply force to the paddle until the force
gauge reads 20 lbs.
9. Press S1 to record the setting.
10. Press S2 until cfrc40 is displayed.
11. Manually apply force to the paddle until the force
gauge reads 40 lbs.
12. Press S1 to record the setting.
13. Release the paddle.
14. Slowly apply force to the paddle and compare the
force gauge with the Compression Carriage Force
display. Readings should be within the specified
ranges:
Less than 35 lbs: ±3 lbs
More than 35 lbs: ±5 lbs
15. Release the paddle and repeat for 90° and 180° carm
positions.
Thickness Calibration
1. Enter Calibration Mode (S6-4=On).
2. Select Motor Control Calibration (S4=5, S6-8=Off).
3. Press SELECT (S2) until chtxxxx is displayed.
4. Install an 18X24 cm Bucky and 18X24 cm
compression paddle.
5. Center 5 cm of breast equivalent material (BEM) on
the Bucky
6. Manually apply 30 lbs of compression
7. Press S1 to record the setting.
8. Release the paddle.
9. Slowly apply force to the paddle until the
Compression Device displays a thickness of 5 cm.
The Compression Thickness display should also
read 5 cm.
10. Repeat for the Mag Stand.
Compression Chain Tension Calibration
1. Remove the cover to the lower compression
carriage.
2. Manually move the compression device to the full up
position.
3. Loosen the bolts holding the compression chain
sprocket to the c-arm frame.
4. Evenly adjust the sprocket tension screws so the
center chain deflection is about 0.5 in.
5. Re-tighten the compression chain sprocket bolts.
6. Manually move the compression device fully down
then fully up to ensure smooth chain travel.
7. Using motorized compression move the
compression device fully down then fully up to
ensure smooth chain travel.
8. Replace the cover.
i hope for help you,
Best Regards,
Jose
PD: Please tell me if a lorad elite, this procedure calibration is the same for lorad M-IV...ok?
Hello from Mexico city.
I have a trouble with a Lorad Elite manufactured on 1999. First, the equipment showed an error in NVRAM. I have replaced a component (Snaphat M4T28-BR12SH1) and this error no longer happened. After that, the machine starts up normally, showing every test (ROM, RAM, NVRAM, CAL data, compforce, tubehead) as passed, but when I attempt to make an exposure, the display shows "STORED CAL PARAMETER ERROR Code 61". The numerical displays for compression and thickness always show zeros, no matter if pressure is applied or not.
Any body have an idea about this problem? Any suggestion will be greatly appreciated.
Thank you so much,
Ismael Alvarado.
Hello from Mexico city.
I have a trouble with a Lorad Elite manufactured on 1999. First, the equipment showed an error in NVRAM. I have replaced a component (Snaphat M4T28-BR12SH1) and this error no longer happened. After that, the machine starts up normally, showing every test (ROM, RAM, NVRAM, CAL data, compforce, tubehead) as passed, but when I attempt to make an exposure, the display shows "STORED CAL PARAMETER ERROR Code 61". The numerical displays for compression and thickness always show zeros, no matter if pressure is applied or not.
Any body have an idea about this problem? Any suggestion will be greatly appreciated.
Thank you so much,
Ismael Alvarado.
Hello:
Elias Valdes from Monterrey. I have exactly the same problem with a Lorad Elite. I replaced the battery in the CPU, after replacing battery I calibrated Compression Force and Thickness, so compression force and thickness are showed on the display, however when attempting to make an exposure "STORED CAL PARAMETER ERROR Code 61" appears. I have tried to go back to factory presets and the error is the same, as soon as an exposure is attempted the error message appears. Any help or suggestion will be greatly appreciatted.
Best Regards,
Elias R. Valdes
ervaldes@att.net.mx
Hello Elias.
Do you have the calibration procedure for the Lorad Elite in order to fix the problem with pressure and thickness?
Thank you so much.
Ismael Alvarado.
ismael_alvarado@live.com
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Elias Valdes
Compression Calibration Lorad IV Mam
June 08, 2009 12:08
Does anybody have the procedure to calibrate Compression Force and Thickness in a Lorad IV Mammo Unit? Is it the same as in the Lorad Elite?
Thanks
to rate and post a comment
Jose Vallejos
Re: Compression Calibration Lorad IV Mam
June 08, 2009 03:37
Dear Elias,
Compression
Three compression settings are available:
• Pre
• Dual
• Full
Note While the compression carriage may be moved
manually (by rotating the compression knobs),
the chain will not engage until compression is initiated
using the motor drive.
Force Calibration
Perform this calibration after replacing the compression
clutch assembly or the compression drive assembly.
1. Rotate the c-arm to 0°.
2. Enter Calibration Mode (S6-4=On).
3. Select Motor Control Calibration (S4=5, S6-8=Off).
4. Press SELECT (S2) until cfrc20 is displayed (some
older software versions have only one setpoint at 40
lbs).
5. Install an 18X24 cm Bucky.
6. Center a force gauge on the Bucky and cover with a
folded towel.
7. Install an 18X24 cm compression paddle.
8. Manually apply force to the paddle until the force
gauge reads 20 lbs.
9. Press S1 to record the setting.
10. Press S2 until cfrc40 is displayed.
11. Manually apply force to the paddle until the force
gauge reads 40 lbs.
12. Press S1 to record the setting.
13. Release the paddle.
14. Slowly apply force to the paddle and compare the
force gauge with the Compression Carriage Force
display. Readings should be within the specified
ranges:
Less than 35 lbs: ±3 lbs
More than 35 lbs: ±5 lbs
15. Release the paddle and repeat for 90° and 180° carm
positions.
Thickness Calibration
1. Enter Calibration Mode (S6-4=On).
2. Select Motor Control Calibration (S4=5, S6-8=Off).
3. Press SELECT (S2) until chtxxxx is displayed.
4. Install an 18X24 cm Bucky and 18X24 cm
compression paddle.
5. Center 5 cm of breast equivalent material (BEM) on
the Bucky
6. Manually apply 30 lbs of compression
7. Press S1 to record the setting.
8. Release the paddle.
9. Slowly apply force to the paddle until the
Compression Device displays a thickness of 5 cm.
The Compression Thickness display should also
read 5 cm.
10. Repeat for the Mag Stand.
Compression Chain Tension Calibration
1. Remove the cover to the lower compression
carriage.
2. Manually move the compression device to the full up
position.
3. Loosen the bolts holding the compression chain
sprocket to the c-arm frame.
4. Evenly adjust the sprocket tension screws so the
center chain deflection is about 0.5 in.
5. Re-tighten the compression chain sprocket bolts.
6. Manually move the compression device fully down
then fully up to ensure smooth chain travel.
7. Using motorized compression move the
compression device fully down then fully up to
ensure smooth chain travel.
8. Replace the cover.
i hope for help you,
Best Regards,
Jose
PD: Please tell me if a lorad elite, this procedure calibration is the same for lorad M-IV...ok?
to rate and post a comment
Elias Valdes
Re: Compression Calibration Lorad IV Mam
June 09, 2009 02:39
Thanks. Procedure for Lorad Elite is different, I will scan the procedure and will send it to you.
to rate and post a comment
Ismael Alvarado
Re: Compression Calibration Lorad IV Mam
July 17, 2010 10:08
Hello from Mexico city.
I have a trouble with a Lorad Elite manufactured on 1999. First, the equipment showed an error in NVRAM. I have replaced a component (Snaphat M4T28-BR12SH1) and this error no longer happened. After that, the machine starts up normally, showing every test (ROM, RAM, NVRAM, CAL data, compforce, tubehead) as passed, but when I attempt to make an exposure, the display shows "STORED CAL PARAMETER ERROR Code 61". The numerical displays for compression and thickness always show zeros, no matter if pressure is applied or not.
Any body have an idea about this problem? Any suggestion will be greatly appreciated.
Thank you so much,
Ismael Alvarado.
to rate and post a comment
Ismael Alvarado
Re: Compression Calibration Lorad IV Mam
July 17, 2010 10:08
Hello from Mexico city.
I have a trouble with a Lorad Elite manufactured on 1999. First, the equipment showed an error in NVRAM. I have replaced a component (Snaphat M4T28-BR12SH1) and this error no longer happened. After that, the machine starts up normally, showing every test (ROM, RAM, NVRAM, CAL data, compforce, tubehead) as passed, but when I attempt to make an exposure, the display shows "STORED CAL PARAMETER ERROR Code 61". The numerical displays for compression and thickness always show zeros, no matter if pressure is applied or not.
Any body have an idea about this problem? Any suggestion will be greatly appreciated.
Thank you so much,
Ismael Alvarado.
to rate and post a comment
Elias Valdes
Re: Compression Calibration Lorad IV Mam
July 18, 2010 02:30
Hello:
Elias Valdes from Monterrey. I have exactly the same problem with a Lorad Elite. I replaced the battery in the CPU, after replacing battery I calibrated Compression Force and Thickness, so compression force and thickness are showed on the display, however when attempting to make an exposure "STORED CAL PARAMETER ERROR Code 61" appears. I have tried to go back to factory presets and the error is the same, as soon as an exposure is attempted the error message appears. Any help or suggestion will be greatly appreciatted.
Best Regards,
Elias R. Valdes
ervaldes@att.net.mx
to rate and post a comment
Ismael Alvarado
Re: Compression Calibration Lorad IV Mam
July 19, 2010 12:38
Hello Elias.
Do you have the calibration procedure for the Lorad Elite in order to fix the problem with pressure and thickness?
Thank you so much.
Ismael Alvarado.
ismael_alvarado@live.com
to rate and post a comment