Nakamura GIMK270 User manual

NAKAMURA ELECTRIC mk270e.151214
1 / 5
NAKAMURA ELECTRIC MFG. CO., LTD.
Intrinsically Safe Explosion-proof
Keyboard/Mouse Set（Wireless Laser）
Model No. GIMK270
Explosion-proof structure 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. USB Receiver (with USB extender)・・・・・・・・・・・・1
d. Dust-proof cover for keyboard ・・・・・・・・・・・・・・1
e. Stick-on plate for battery box・・・・・・・・・・・・・・・2
f. Stick-on staple to fix USB connector・・・・・・・・・・・・1
g. Plastic tie-band (to bind USB connector and staple) ・・・・1
h. USB junction cable （1m）・・・・・・・・・・・・・・・・1
i. Instruction manual ・・・・・・・・・・・・・・・・・・・1

NAKAMURA ELECTRIC mk270e.151214
2 / 5
Intrinsically Safe Explosion-proof Keyboard/Mouse Set
GIMK270
1. Introduction
This product is intrinsically safe explosion-proof keyboard/mouse set which cleared the
explosion-proof screenings pursuant to the Recommended Practices for Explosion-protected
Electrical 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
GIMK270
Explosion-proof structure
ia2G3
Certification No.
No. T68493
Interface
Receiver ：USB connector (Type A)
Radio system
2.4GHz radio wave system
Receiver
Material/Color
ABS plastic / Black
Weight
Approx. 5g
Keyboard
(GIKEY-2)
Keyboard layout
108 Japanese layout
Key structure
Membrane keyboard
Material/Color
ABS plastic / Black
Battery
Two AA alkaline batteries (LR6, Panasonic)
Approx. battery life
Approx. 2 years
Weight
Approx. 470g (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, Panasonic)
Approx. battery life
Approx. 1 year
Weight
Approx. 52g (excluding battery box)
Ambient temperature
0～40℃
Communication range
Approx. 5m (line-of-sight distance)
Applicable OS
Windows 10 ･8 ・7 ・Vista ・XP
Remarks

NAKAMURA ELECTRIC mk270e.151214
3 / 5
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, Panasonic) 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 take apart or remodel the products.
c. Do not give any shock to the products.
d. 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 10, 8, 7, Vista, and XP, hardware will be automatically detected to be
ready for use.
6. ID channel setting
a. It will be set automatically.
7. Troubleshooting
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.

NAKAMURA ELECTRIC mk270e.151214
4 / 5
8. Miscellaneous
a. 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.
b. Make sure to turn off the power of the keyboard/mouse to save battery life, if not used
for a prolonged period of time.
c. 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.)
d. 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
(GIKEY270)

NAKAMURA ELECTRIC mk270e.151214
5 / 5
10. Contact info.
NAKAMURA ELECTRIC MFG. CO., LTD.
http://www.ex-nakamura.co.jp
■Head office・Factory・Kyushu branch
6-4-7 Takagisenishi, Saga-shi, Saga 849-0921 JAPAN
tel [phone] fax [phone]
■Tokyo branch
6F Gotanda City Trust Building, 1-23-7 Nishigotanda, Shinagawa-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
(GIMA270)
Receiver