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Thank you for purchasing the MR-C24 Series USB 2.0 card reader. 
This user’s manual explains how to set up the product. Please thoroughly read 
this user’s manual before use, to ensure proper setup of the product. 

Safety Precautions

 

Always observe the cautions issued by PC and peripheral device manufacturers 

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when connecting and disconnecting this product.
Do not attempt to disassemble, modify or repair this product by yourself.

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Doing so may cause a fire, electric shock, or product damage and may void the 
warranty.
Do not use this product or any PC to which this product is connected in areas 

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where water is used or in very humid environments.
Doing so may cause a fire, electric shock, or product damage.
When connecting and disconnecting this product, always touch a metal object 

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(such as a steel desk or a metal door handle) to discharge static electricity before 
touching this product.
Static electricity may damage this product.
If you suspect something is wrong with the product, discontinue use immediately.

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Specifications

 

OS

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 .................................. Windows

®

 7, Windows Vista

®

 (up to SP2), Windows

®

 XP 

(SP1 to SP3), Windows

®

 2000 (SP4)

Mac OS X (10.2 to 10.6)
In the above OSs, the drivers provided with the OSs can 
be used.

Interface

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 .........................USB

Supply electric current

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 ...Under 1 port 100mA (under 3 port total 400mA)

Operating temperature

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 ..5 to 40°C

Operating humidity

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 ........30 to 80%

Dimensions 

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 ................... Approx. 90.0 (W) x 61.6 (D) x 16.0 (H) mm

(Not including protruding parts)

Cable length

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 .................. Approx. 30 cm (Not including connector)

Included items

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 ............... Manual x1

Usage Precautions

 

If the PC is started when a memory card is inserted in this product, a disk scan may be 

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performed automatically, even if the PC had no previous abnormal termination errors.
If the PC is started when a memory card is inserted in this product, even if the 

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device has been connected before, the "Found New Hardware" message may be 
displayed.
It may take a minute or so for this product to be recognised by the PC after it has been 

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connected. Wait until you can operate the computer.
Certain types of media, including older media and media that uses special formats, 

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may not be compatible with this product.
Before using media with digital cameras, mobile phones, or other devices, format it with 

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the device that you use.
It may not always be possible to use media that has been formatted using a PC. In such 
cases, media can be used by first formatting it on the device with which it is to be used.
This product does not support copyright protection.

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Please follow the removal of this product, to the procedure "5 Disconnect the card 

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reader from the PC ". There is a possibility the file disappearing.
ELECOM Co., Ltd. shall bear no responsibility whatsoever for any data loss or damage 

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resulting from the use of this product.
Always insert and remove media from this product with the correct orientation and 

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alignment.
This product does not support standby or sleep modes.

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This product does not support modem cards or similar I/O cards.

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Do not use this product in humid or dusty environments.

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Do not subject this product to strong shocks.

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To clean the product, wipe it with a soft, dry cloth.

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Do not use benzene, paint thinner, alcohol or similar liquids.

Only insert one media card at a time.
Media may not be recognised if multiple cards are inserted at the same time.

How to insert memory cards into the corresponding card slots

Ensure the memory card is oriented correctly, and insert it straight into the correct memory card slot.

 

For the latest information on supported media, visit the official ELECOM website.

    http://www.elecom.co.jp/global/download/compatibility.html

See the reverse side of the manual for information on connecting to/removing from the PC.

Slot

2

Slot

Slot

4

5

Slot

1

Slot

3

Slot

2

Slot

3

Slot

1

Slot

4

Slot

5

Part names and information on the memory card slot and 

 

USB port

 

MMCmicro can be written to or read with the use of 
a conversion adapter.

microSD Memory Card

microSDHC Memory Card

Memory Stick

Memory Stick PRO

Memory Stick Duo

Memory Stick PRO Duo

xD Picture Card

Face the terminal 

end downwards

Face the 

terminal end 

downwards

Face the terminal 

end downwards

Face the 

terminal 

end 

downwards

Face the 

terminal 

side 

underneath

Face the terminal 

end downwards

Align card with centre upper 

edge of slot 

Face the terminal 

end downwards

Multimedia Card

Reduced Size Multimedia Card  RSMMC

USB cable

USB Port 

USB devices can be connected, and this device can be used as a USB hub.

Limitations

Connect to a USB port that provides 5 V, 500 mA power. 

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Do not disconnect this product from the PC while a USB device is connected.

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Do not disconnect a USB mass storage device such as a hard disk drive from this product while it is being read from or written to. 

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Additionally, if the connected USB device has a power switch, do not turn it OFF while data is being read/written. Doing so may cause 

damage to this product, or file corruption/loss of data. Also perform a USB device removal procedure on the PC first. For details, refer 

to the manual of your USB device. 

When using a bus-powered USB device, if the power is insufficient the device operation may become unstable. In this case, 

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connect the USB to an AC power adapter. 

Not all USB devices are guaranteed to work correctly, even when connected directly to the PC.

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Stable operation is not guaranteed for USB devices which are recommended to be connected directly to the PC. Please refer to the manual of 

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your USB device for more information.

This device supports hot plugging, however frequently inserting and removing may cause the OS operation to become 

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unstable.

Stable operation of specialized hardware, application-dependent functions, etc., are not guaranteed. 

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LED

The LED of this product will flash when writing to or reading a 

memory card.

  Do not remove a memory card from the slot while the PC is writ-

ing to or reading from it.

 

Do not disconnect this product from the PC while it is writing to 

or reading from a memory card. Doing so may cause product 

damage and result in file damage or loss.

USB 2.0 Multi Type Card Reader

MR-C24 series

User's manual

SD Memory Card

SDHC Memory Card

SDXC Memory Card

SDXC Cards

Can be written to or read directly in Windows 7 and Windows Vista (SP1 or above)
For Windows Vista, update to SP1 or above, and for Windows XP, update to SP2 or above.
Mac OS X and Windows 2000 do not currently support exFAT.

CompactFlash

Microdrive

Narrow

Align the convex part of the memory card slot 

with the concave part of the memory card. 

Wide

Face the label 

side downwards

Wide

Narrow

label side

Memory Stick Micro(M2)

 

miniSD memory cards can be written to or read with 
the use of a conversion adapter.

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