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Pictor Plus - FAQ's


Pictor Plus – FAQ List

How many models of the Pictor are there?

There are currently two models in the Pictor product lineup:

  • the Pictor Plus: Volk’s second generation portable ophthalmic camera (Jan 2014)
  • the Pictor: Volk’s first offering (2011)
My Pictor has "Frozen", or locked up. The display does not change, and the keyboard buttons have no effect.

If your Pictor or Pictor Plus has frozen, there are two methods to reset your device.

  1. Refer to your user manual for instructions on how to use a paper clip to press the internal reset button just below the display screen.
  2. Refer to your user manual for instructions on how to replace the battery. However, instead of replacing the battery, simply disconnect and then reconnect the black battery connector without replacing the battery.
When taking pictures using the original Pictor Anterior module, there are pronounced reflections in the pupil area.

The second generation Anterior Module was designed to reduce illumination source reflections and concentrate them centrally in the image – typically in the pupil.

The second generation Anterior Module is compatible with both the Pictor Plus and the first generation Pictor models.

Retinal pictures are uneven, with the top of the picture much lighter than the rest OR the bottom of the picture much lighter than the rest.

Sometimes the top or bottom of the image appears more exposed than the rest of the image. Occasionally, a white "crescent" reflection will appear at the top or bottom of the image. This is an artifact of the internal illumination reflecting off of the patient’s cornea. It is not an artifact from external lighting sources. It is affected by the alignment of the Retina Module to the patient’s pupil AND the distance between the Retina Module objective lens and the cornea. It can be eliminated by:

Crescent / too much exposure at the TOP of the image:
Pictor Plus: Move the Retina Module a few millimeters OUT slightly before taking the picture.
Pictor: Move the Retina Module IN slightly before taking the picture.
Both models: confirm that the Retina Module is aligned as much as possible with the visual axis of the patient’s pupil.

Crescent / too much exposure at the BOTTOM of the image:
Pictor Plus: Move the Retina Module a few millimeters IN slightly before taking the picture.
Pictor: Move the Retina Module OUT slightly before taking the picture.
Both models: confirm that the Retina Module is aligned as much as possible with the visual axis of the patient’s pupil.

What is the resolution of the photographs taken by Pictor?

Pictor uses a 5 megapixel CMOS sensor. Image size varies by module:

  • Retina modules: 1920 x 1440 pixels
  • Anterior segment, dermatascope and otoscope modules: 2560 x 1920 pixels
What is the resolution of the Pictor display?

320 by 240 pixels

My Pictor Plus doesn’t seem to do anything for four seconds after pressing the power button, then it seems to power up normally. Why is this?

Newer Pictor Plus cameras are designed to do this. The power-up sequence doesn’t take any longer.

The batteries in my Pictor don’t seem to charge or hold a charge.

NOTE: always place your Pictor Plus or Pictor gently into the charging cradle. Slight adjustments may be used to properly seat your device in the cradle but it should never be forced.

When the Pictor Plus or Pictor are properly charging, a GREEN indicator light below the display screen will be illuminated and flashing. The battery can only charge through the handset. The power supply MUST be plugged into a power outlet to charge the battery. The battery can charge without the USB cable being connected to a computer.

If the batteries don’t seem to be charging or holding a charge, verify the following:

  • The charging cradle power supply is plugged in to a power outlet.
  • The power cable is correctly connected to the charging cradle. Remove the Pictor Plus or Pictor from the cradle and turn the cradle upside down to confirm.
  • The Pictor Plus or Pictor handset is properly seated in the cradle. Gently adjust the handset within the cradle to confirm it is seated. It will slip into place and does not need to be forced.
  • The spare battery shipped with your Pictor Plus or Pictor DOES charge properly.

If you have confirmed all of the above items and the battery still does not seem to charge, the battery may need replacement. Contact Volk for replacement batteries.

Why don’t you offer Lithium batteries for Pictor?

The charging system in Pictor is specially designed for Nickel-Metal-Hydride (NiMH) batteries. Lithium batteries are not compatible with the Pictor design.

My Pictor won’t charge or connect to the PC, even though it’s connected with the USB cable.

Use of the charging cradle ALWAYS requires that the power supply be plugged into a power outlet. If the power supply is not connected to a power outlet, battery charging cannot occur.

My Pictor won’t connect to my computer – I can’t get the blue LED to illuminate.

NOTE: always place your Pictor Plus or Pictor gently into the charging cradle. Slight adjustments may be used to properly seat your device in the cradle but it should never be forced.

If the BLUE indicator doesn’t illuminate when the device is in the charging cradle, verify the following:

  • The charging cradle power supply is plugged in to a power outlet.
  • The power cable is correctly connected to the charging cradle. Remove the Pictor Plus or Pictor from the cradle and turn the cradle upside down to confirm.
  • The USB cable is connected correctly to the computer.
  • The USB cable is correctly connected to the charging cradle. Remove the Pictor Plus or Pictor from the cradle and turn the cradle upside down to confirm.
  • The Pictor Plus or Pictor handset is properly seated in the cradle. Gently adjust the handset within the cradle to confirm it is seated. It will slip into place and does not need to be forced.

If you have confirmed all of the above items and the blue indicator light still does not illuminate, contact Volk for additional assistance.

My Pictor gives me an "Optics Not detected" message, even though an optics module is attached.

This message can occur when an optics module (Retina Module, Anterior Module or other) is not properly seated after being connected to the handset.

Verify the following:

  • Completely remove and then replace the optics module you are trying to connect. Confirm you hear the "click" of the connectors as they lock in place.
  • If you have more than one optics module, confirm that your additional module(s) can connect to the handset and are properly recognized and usable.
  • Look at the connecting surfaces of the optics module(s) and the handset. Confirm that the connector pins on the handset do not appear damaged or dirty. Confirm that the connecting surfaces on the optics module(s) do not appear damaged or dirty.
  • Remove the module and power off the handset. Then power the handset back on and try connecting your module(s) again.

If you have confirmed all of the above items and the "Optics not detected" message still occurs, contact Volk for additional assistance.

My Pictor won't power up, even though it seems to be fully charged.

Review the above FAQ "The batteries in my Pictor don’t seem to charge or hold a charge" and make sure to try the spare battery. If this does not solve the problem, contact Volk for service.

My Pictor has a solid line across the display.

Try powering your device off and then back on. If the issue persists, contact Volk for additional assistance.

My Pictor Plus / Pictor stopped working after I used my computer to rename/move/add pictures and folders in the device’s flash drive.

When you connect your Pictor Plus / Pictor to your computer using the USB cable, the best practice is to copy the saved image files or folders from the device’s SD card and paste them to the selected location on your computer.

Your Pictor Plus / Pictor is essentially a small computer with its own operating system. That operating system is what saves and names image files, creates and organizes patient folders, and deletes files and folders on the device’s SD memory card.

When you connect your Pictor Plus / Pictor to your computer via the USB cable, never use your computer to move or re-name image files, or manipulate or delete files and folders on the device SD card. Do not use the SD card as a general data storage location. Doing so may prevent your device from functioning.

If you want to delete images from your Pictor Plus / Pictor, please refer to your user manual for instructions on how to delete images from your device. NEVER use your computer to delete images from your device.

If your Pictor Plus / Pictor will not start up correctly even after resetting the device, contact Volk for assistance.

INSTRUCTIONS BELOW: FOR USERS OR NOT FOR USERS?
To address this issue, connect your Pictor Plus / Pictor to your computer using the USB cable and copy any files you may need from the SD card to your computer. Delete all content from the SD card, and restart your Pictor Plus/ Pictor.

In extreme cases it may be necessary to reformat the SD card. To do this:

  • Place camera to cradle and wait your Pictor drive to appear.
  • Right mouse click the Pictor drive, choose Format.
  • Choose File system FAT (Default).
  • Choose Allocation unit size 32 kilobytes.
  • Press Start and wait for format to complete.

If reformatting doesn’t work, contact Volk for a replacement Micro SD card.

Can I upgrade the SD card in my Pictor? (Does not apply to Pictor Plus)

Pictor comes with a 2 GB Micro SD flash card. The Pictor Plus comes with either a 4GB SD card or an 8GB SD card.

Do not replace this card with a higher-capacity card.

Can I upgrade the SD card in my Pictor Plus?

The SD memory on Pictor Plus is integrated with the WiFi function and cannot be changed.

Does Pictor have a stereoscopic capability?

The Pictor Plus does not have a stereo capability, however, it is possible to take images with separate fixation points to provide a degree of stereo viewing.

My Pictor Plus / Pictor shuts down immediately after startup.

This is usually due to the battery being almost completely discharged. Make sure your device is fully charged before attempting use. Refer to your user manual for instructions on charging the device battery.

Also you may review the above FAQ “The batteries in my Pictor don’t seem to charge or hold a charge’ and make sure to try the spare battery. If this does not solve the problem, contact Volk for service.

My retinal pictures are too dark.

Confirm that the brightness setting for the internal flash is set properly. See your user manual for instructions on adjusting the flash brightness.

General guidelines for setting the flash brightness:

  • You will typically never use a brightness setting below "5" for a standard session
  • Lighter complexions / blue irises will be around "5" to "6"
  • Darker complexions / iris colors will use higher brightness values, perhaps "7" to "9"
My Pictor displays nothing but question marks instead of the usual text.

In this case, it is almost certain that the program memory of the Pictor Plus / Pictor has become corrupted. If powering the device off and then back on does not correct the issue, contact Volk for additional assistance.

The time stamps on files copied from my Pictor Plus / Pictor to my computer are incorrect.

Make sure the time setting on the Pictor is correct. The clock in the Pictor does not implement Daylight Saving Time.

If the time stamps are off by one hour, this is may be due to a difference in the way time stamps are handled between the Pictor and your computer. (Flash drives, like Pictor Plus / Pictor, use the FAT file system, where time stamps are local. Most computers use the NTFS file system, where all times are referenced to UCT (Coordinated Universal Time – similar to Greenwich Mean Time).

If the time stamps are off by some other value, especially if the Pictor is older, it is possible that the battery backup to the Pictor’s clock chip has become discharged. If this is the case, the Pictor will need to be returned to Volk for repair.

Confirm that the date and time settings on your Pictor Plus / Pictor are set to match your computer. Refer to your user manual for instructions of how to set your device’s date and time.

Also remember that the Pictor Plus / Pictor date and time formats are slightly different:

  • Dates follow the DD/MM/YYYY format (not the MM/DD/YYYY format)
  • Times are in a 24-hour HH:MM format (not the AM/PM format)
Can I change the Pictor’s date format from DD/MM/YYYY to MM/DD/YYYY?

This feature is not currently available.

Can I change the Pictor’s time format from 24-hour to AM/PM?

This feature is not currently available.

The WiFi connection on my Pictor Plus is no longer working OR the Eye Fi SD card is no longer recognized by the Eye Fi desktop application. All other Pictor Plus functions are working fine.

Often a "factory reset" will correct this issue. Refer to your Pictor Plus user instructions for "Restore factory settings" to complete a reset of the device to the default factory settings.

If this does not correct the issue, then contact Volk for assistance at 7893 Enterprise Drive, Mentor, OH 44060, USA | Tel: 440-942-6161 | Fax: 440-942-2257 | Email: volk@volk.com