Instrukcja obsługi Fujitsu Happy Hacking
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P3PC-6641-01EN
Happy Hacking Keyboard 
Professional HYBRID
(US Layout/Non-Printed)
User’s Guide
* P 3 P 1 EC - 6 6 4 1 - 0 N *
Introduction
Thank you for purchasing  Happy Hacking Keyboard Professional HYBRID (US Layout/Non-Printed). 
Please read this User's Guide and use this product safely and correctly. Be sure to read and under-
stand "Safety Precautions" (a separate manual) before using the keyboard.
Mac, Mac OS, and macOS are trademarks of Apple Inc.
Bluetooth is a registered trademark of Bluetooth SIG, Inc.
Android is a registered trademark or trademark of Google Inc.
Other company names and product names are the registered trademarks or trademarks of the respec-
tive companies.
ⒸPFU Limited 2019   October 2019
Checking the Items in the Package
Make sure that all items shown below are included in the package:
□Keyboard (x1)
□Size AA alkaline dry battery (for checking operation) (x2)
□Safety Precautions (x1)
□User's Guide (this manual) (x1)
If items other than those shown above are included in the package, keep them as well. Treat the items 
that are included in the package with care. Retain the box and any packaging material as they would be 
needed to protect the keyboard should it be necessary to return the item in the event of a warranty claim.
If you find that an item is missing or defective, contact the distributor/dealer where you purchased this 
product.
This product does not include a Bluetooth USB adapter or a USB cable.
If the device that you use does not support Bluetooth, a commercially available Bluetooth USB adapter 
or USB cable is required.
Part Names and Functions
Front
Status of the LED Indicator
Status Description
Turned Off The keyboard is in connected 
mode/OFF mode
Blinking in Blue
(twice per second)
The  keyboard  is  in 
pairing 
standby mode
.
Blinking in Blue
(four  times  per 
second)
The  keyboard  is  in 
pairing 
mode
.
Lit in Blue The  keyboard  is  in  connect 
standby mode
Blinking in  Or-
ange
When  the  LED indicator  blinks  in 
orange once every 30 seconds, the 
remaining battery power is low.
When the LED indicator blinks 
in orange twice every 15 sec-
onds, replace the batteries.
Switching the Setting Mode
Switch the setting mode according to the device that you use. By using the DIP switches on the bot-
tom of the keyboard, you can change the keyboard setting mode. The HHK mode is set as the factory 
default.
You can also change some key codes. To change the settings for the DIP switches, use a tool such as 
a flathead screw driver.
ATTENTION
Be sure to turn off the power before setting any of the DIP switches. If the power is on, the settings 
you changed are not applied.
1 Remove the DIP switch cover on the bottom of the keyboard in the direction of 
the arrow. 
The gure below shows ON/OFF for each DIP switch.
2 Switch the setting mode by referring to the tables below.
DIP Switch Setting Mode
SW1 SW2
OFF OFF HHK mode Windows
®/AndroidTM
ON OFF Win mode
OFF ON Mac mode Mac OS/iOS/iPadOS
ON ON
DIP Switch Status Key Function
SW3 (*1) OFF Delete Delete
ON Delete BS (Back Space)
SW4 OFF Left  ◇Left  ◇ 
ON Left  ◇Fn
DIP Switch Cover
ON
OFF
(Factory Default)
Back
Power Switch USB Type-C Connector
Battery Box
Part Name Description
Power 
Switch
To turn on the power, hold down the power switch for 1 second or longer. To turn off 
the power, hold down the power switch for 2 seconds or longer. Note that when the 
power does turn off, the LED indicator lights in orange and then turns off.
Battery Box Insert batteries.
For details, refer to 
"When Using Batteries"
.
USB Type-C
Connector
Use  a USB Type-C cable to  connect  the  keyboard to  the device that you use  or to 
supply power to the keyboard instead of using the batteries.
For details, refer to 
"Connecting the Keyboard (via a USB Connection)"
 and 
"When Sup-
plying Power via a USB Type-C Cable"
.
This product does not have a charging function for rechargeable batteries.
Use an optional USB Type-C cable that is sold separately or a commercially available 
USB Type-C cable.
For details about how to purchase optional items, contact the distributor/dealer where 
you purchased this product.
Bottom
DIP Switches
Tilt Stands
Part Name Description
DIP Switches Used to switch the setting mode.
For details, refer to 
"Switching the Setting Mode"
.
Tilt Stands Used to adjust the height of the keyboard.
For details, refer to 
"Adjusting the Height of the Keyboard"
.
DIP Switch Status Key Function
SW5 OFF Alt Alt
◇ ◇  (*2)
ON Alt ◇ (*2)
◇Alt
SW6 OFF Power Saving Enabled (*3)
ON Power Saving Disabled (*4)
*1:   In Mac mode, SW3 is disabled.
*2:   In Win mode, ◇ functions as the [Windows] key. 
In Mac mode,  ◇ functions as the [Command] key.
*3:   If the keyboard is left unused for 30 minutes, it automatically enters OFF mode.  However, 
if the keyboard is connected to the device via a USB cable, it does not enter OFF mode. In 
addition, when Power Saving Enabled is set, the device in use cannot be resumed from the 
suspended status by pressing a key.
*4:   Even if the keyboard is left unused for a long time, it does not automatically enter OFF mode. 
Because of this, Power Saving Disabled consumes battery power faster than Power Saving 
Enabled. If the keyboard is disconnected from the device in use, press any key or the power 
switch to reconnect the keyboard to the disconnected device.
3 Attach the DIP switch cover back. 
When attaching the cover, make sure you push it until it locks in place.
・ OFF mode (power off)
This mode indicates the following statuses:
 ーWhen the  power switch was held down 
(for 2 seconds or longer) in any mode
 ー When no keys are pressed for 30 minutes 
in connected mode (when the SW6 is set 
to  ON  or  when  power  is  supplied  via  a 
USB  Type-C cable, refer  to the  note for 
SW6 in "Switching the Setting Mode")
 ーWhen no  keys  are  pressed for 10  min-
utes in pairing mode
 ーWhen  the  keyboard  is  disconnected 
from the device in use
To resume from OFF mode, hold down the power switch 
(for 1 second or longer) to connect it to the device again.
・ Pairing standby mode
This  mode indicates  the status  before  the 
keyboard enters paring mode.
When you hold down 
Fn
 and 
Control
 in this 
order  and  then  press  one  of  the  number  keys 
(
1
 to 
4
), the keyboard enters pairing mode. 
For  details,  refer  to 
"Switching  the  Setting 
Mode of the Keyboard to the Pairing Mode"
.
・ Pairing mode
The keyboard is ready to be connected to a device.
・ Connect standby mode
This mode indicates that the keyboard is waiting for the de-
vice to be connected again. When you hold down 
Fn
 and 
then press 
Q
, the keyboard enters pairing standby mode.  
3
4
5
6
7
82
1
LED Indicator
This product has the following operation modes.
・ Connected mode
The  keyboard  is  connected  to  a  device.  You 
can use the keyboard for the connected device. 
When you hold down 
Fn
 and then press 
Q
, 
the keyboard enters pairing standby mode.  
Specications
Item Specification
Key Specifications Electrostatic capacitive switch/Step sculpture/Key pitch: 19.05 mm
Ambient Tempera-
ture
5 to 35°C
Ambient Humidity 20 to 80%RH (non condensing)
Dimension 294 mm (W) x 120 mm (D) x 40 mm (H)
Weight Approx. 540 g (without the batteries)
Connection Method
Bluetooth wireless connection method
USB2.0 (Type-C)
Compatible  Stan-
dards
Bluetooth Version 4.2 Class 2
Profile Bluetooth HOGP (HID over GATT profile)
Radio Frequency 2.4 GHz band
Radio  Frequency 
Modulation
GFSK modulation
Radio  Wave  Out-
reach
Approx. 10 m (when no magnetic objects are in the vicinity)
Battery  Replace-
ment Interval
Interval that is estimated when size AA alkaline dry batteries are used
Approx. three months (This is not guaranteed because it is a value that is esti-
mated from the test conducted in our environment.)
Required Batteries Two size AA dry batteries
(Size AA alkaline  dry batteries,  size AA manganese dry  batteries, and  size AA 
nickel hydride secondary batteries)
Adjusting the Height of the Keyboard
The tilt mechanism is equipped on the bottom of 
the  keyboard, allowing you  to adjust the height 
at  two  levels. Raise  one  of  the  tilt  stands  that 
suits you until it locks in place. Use the same tilt 
stands on the right and left sides.
Low
Middle
High
Troubleshooting
For troubleshooting tips for this product, refer to 
the following website:
www.hhkeyboard.us
Daily Care
If this product gets dirty, wipe it with a dry cloth.
ATTENTION
To avoid deterioration and discoloration, nev-
er use alcohol or any other volatile solutions.
Supplying Power
ATTENTION
When batteries are inserted into the keyboard  (or  power is  supplied via a USB  Type-C  cable),  it 
turns on and enters connect standby mode in order to connect to the device that it was connected 
to last. However, if the device is not ready to be connected to the keyboard when batteries are used 
for the power supply, the keyboard turns off.
When Using Batteries
ATTENTION
•  Use size AA batteries for this product.
•  Be sure to turn off the power before replacing the batteries.
1 Remove the battery box cover on the bottom of the keyboard by pulling it to-
wards you while pushing it to the left.
Battery Box Cover
2 Insert the batteries in the direction shown in the gure.
+−+−
+−+
ATTENTION
Check the positive 
+
 and negative 
−
 direction of the 2 batteries, and insert them correctly.
3 Attach the battery box cover back. 
When attaching the cover, make sure you push it until it locks in place.
When Supplying Power via a USB Type-C Cable
Connect a USB Type-C cable to the USB Type-C connector
Use  an optional USB Type-C cable that is sold separately or a commercially available USB Type-C 
cable.
For details about how to purchase optional items, contact the distributor/dealer where you purchased 
this product.
USB Type-C Connector
ATTENTION
The battery power is not consumed (except for natural discharge).
Remove the batteries if you do not use them for a long time.
System Requirements
This product can be used with the following computers or devices.
・ Computers with Windows
® (Windows® 7/Windows® 8.1/Windows® 10) installed (*1)
・ Computers with Mac  OS  (USB connection: macOS 10.12 or later/Bluetooth connection: macOS 
10.14 or later) installed
・ Mobile devices with iOS (iOS 11.4 or later) or iPadOS (iPadOS 13.0 or later) installed
・ Mobile devices with Android
TM (AndroidTM 4.4 or later) installed
*1:   Computers with Windows® 7 installed cannot be connected via Bluetooth. Use a USB cable to 
establish a connection.
For a connection via Bluetooth, the device that you use needs to support Bluetooth 4.0 or later.
Specyfikacje produktu
| Marka: | Fujitsu | 
| Kategoria: | fortepian | 
| Model: | Happy Hacking | 
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