Nakamura GIMK250 User manual

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NAKAMURA ELECTRIC MFG. CO., LTD.
Intrinsically Safe Explosion-proof
Keyboard/Mouse Set（Wireless Laser）
Model No. GIMK2 0
Explosion-proof structur ia2G3
Instruction manual
●The kit includes
a. Keyboard and battery box (2 size AA battery mounted)・・・1
b. Mouse and battery box (2 size AA battery mounted) ・・・・1
c. U B Receiver・・・・・・・・・・・・・・・・・・・・・・1
d. Dust-proof cover for keyboard ・・・・・・・・・・・・・・1
e. tick-on plate for battery box・・・・・・・・・・・・・・・2
f. tick-on staple to fix U B connector・・・・・・・・・・・・1
g. Plastic tie-band (to bind U B connector and staple) ・・・・1
h. U B junction cable （1m）・・・・・・・・・・・・・・・・1
i. Instruction manual ・・・・・・・・・・・・・・・・・・・1

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Intrinsically Safe Explosion-proof Keyboard/Mouse Set
GIMK250
1. Introduction
This product is intrinsically safe explosion-proof keyboard/mouse set which cleared the
explosion-proof screenings pursuant to the Recommended Practices for xplosion-protected
lectrical Installations in General Industries, ver. 2006 published by their certification
agency, Technology Institution of Industrial Safety designated by Minister of Health, Labor
and Welfare.
Make sure to be well-acquainted with this instruction manual before use for your safety.
2. Specification
Product Intrinsically safe explosion-proof keyboard/mouse set (wireless laser)
Model GIMK250
Explosion-proof structure
ia2G3
Certification No. No. T65483
Interface Receiver ： USB connector (Type A)
Radio system 2.4GHz radio wave system
Receiver Material/Color ABS plastic / Black
Weight Approx. 6g
Keyboard
(GIK Y-2)
Keyboard layout 107 Japanese layout
Key structure Membrane keyboard
Material/Color ABS plastic / Black
Battery Two AA alkaline batteries (LR6)
Approx. battery life
Approx. 1 year
Weight Approx. 490g (excluding battery box)
Mouse
(GIMA-2)
Sensor type Optical
Resolution (dpi) 1000
Number of button 3 buttons
Material/Color ABS plastic / Black
Battery Two AA alkaline batteries (LR6)
Approx. battery life
Approx. 5 months
Weight Approx. 70g (excluding battery box)
Ambient temperature 0～40℃
Communication range
Approx. 5m (line-of-sight distance)
Applicable OS Windows 7 ・ Vista ・ XP
Remarks

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3. Precautions
Make sure to be on the safe side with regard to ratings or functions and well-prepared for
the safety measures such as fail-safe system if you use this device under the following
conditions or environments;
1) For use in nuclear control, rail, aviation, vehicles, vessels, medical equipments.
2) For use for the purposes which require maximum priority on safety because shattering
impacts to human lives or properties may be predicted.
4. Safety instructions
1) Battery
a. Make sure to use AA alkaline battery (LR6) only. If other kinds are used,
we will not ensure the intrinsically safe explosion-proof performance.
2) Warnings
a. Battery change should be done at a non-hazardous area.
b. Do not point laser beam of the mouse at human eyes.
c. Do not take apart or remodel the products.
d. Do not give any shock to the products.
e. In order to prevent the spark caused by the static electric charge, please wear clothes
that are hard to be charged such as anti-static clothes.
3) Setup
a. Connect the receiver to USB connector of PC or other devices placed at a safe area.
b. Battery box, keyboard, and mouse can be used in a hazardous area.
c. Make sure to set the receiver within the sight of the keyboard and mouse as much as
possible. Keyboard and mouse still work if the said condition cannot be provided.
However, its response may get dull.
5. Procedures to connect keyboard/mouse
a. Turn on the computer and wait until Windows is completely up.
b. Turn on the power of the keyboard/mouse after making sure that the batteries are in
the battery boxes (for correct polarity).
c. Hook up the receiver to the attached USB junction cable (1m) and connect to the USB
port of the computer. (Please locate the receiver close to the keyboard/Mouse.)
d. For Windows 7, Vista, and XP, hardware will be automatically detected to be ready for
use.
6. ID channe setting
a. It will be set automatically.
7. Troub eshooting
a. If the device does not operate: check if the batteries are mounted correctly.
b. If the device does not operate: make sure that power of keyboard/mouse is turned on.
c. If the operation is unstable: replace the batteries with new ones.
d. If the mouse does not operate smoothly: The mouse pointer does not work correctly if
used on glossy materials. In that case, use a mouse pad.

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8. Misce aneous
a. Keyboard/mouse turns to sleep mode to save battery life, if not operated for a while.
It comes back when you move the mouse again.
b. The cursor may not move smoothly on light-reflecting materials or glass. A mouse pad
or a substitute such as a book will be recommended.
c. Make sure to turn off the power of the keyboard/mouse to save battery life, if not used
for a prolonged period of time.
d. When you turn on the power of the mouse, L D in the center of the mouse lights up
green for a while. When the battery is running low, it blinks red. However, it can be
used until the mouse stops working.
e. Dust-proof cover for the keyboard is attached. Apply it if you want to protect the
keyboard from the dust. (Dust-proof cover; multi keyboard cover “FA-MULTI” made by
Sanwa Supply Inc.)
f. Since a magnet sheet is attached to the battery box, you can stick it to something made
of iron such as iron desk. If there is nothing applicable, you can stick the attached
stick-on plate for battery box (iron plate with double-sided tape on the back) to a
regular desk etc., and fix the battery box on it.
9. Dimension
Keyboard
(GIKEY-2)

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10. Contact info.
NAKAMURA ELECTRIC MFG. CO., LTD.
http://www.ex-nakamura.co.jp
■Head office・Factory・Kyushu branch
6-4-7 Takagisenishi, aga-shi, aga 849-0921 JAPAN
tel [phone] fax [phone]
■Tokyo branch
3F Yoshinoya Building, 1-32-6 Nishigotanda, hinagawa-ku, Tokyo 141-0031 JAPAN
tel [phone] fax [phone]
■Osaka branch
5F Takahashi Building Bekkan, 5-8-8 Nishitenma, Kita-ku, Osaka-shi,
Osaka 530-0047 JAPAN
tel [phone] fax [phone]
Please note that the specifications may change for improvement without prior notice.
Mouse
(GIMA-2) Receiver