Epomaker Firstblood B21 User manual

Thank you very much for choosing B21 Mechanical Gaming Keyboard. The keyboard has a variety of cool functions and

light effects. Hope it will bring you a new senseof cooperation.

< S7C>

Connection Method

Bluetooth Mode

Turn the •mode switch' to the BT position. If no host has been paired before, the keyboard will automatically enter the

code-matching state .( if you have paired the host before, you will directly connect back,The indicator light flashes slowly;

if the connection fails for 3 seconds, the keyboard enters the Bluetooth sleep state; Ifthe connection is successful, the

indicator light will be on for 3 seconds and then the original state of the button backlight will be restored.)

000 • Touch the button to switch to the corresponding Bluetooth device. The light of the

Multl-devlce connection:

corresponding button flashes slowly for 3 seconds to indicate the reconnection. After the reconnection is successful, the

corresponding button light is always on to indicate; the reconnection fails and the backlight is off.

Long press for 2 seconds to pair the corresponding device, the corresponding button light flashes quickly to indicate the

code pairing, after the code pairing is successful, the corresponding button light is always on to indicate; when the

connection fails, the backlight goes out.

USB Wired Connection Mode

Tum the •mode switch• to the USB position to realize the USBwired connection mode and tum off the battery power supply

at the same time. (The battery can be charged by connecting the USBin any mode, until the battery is fully charged)

Mac/Win Dual System Function

Windows System•:switchthesystemtotheWingearposition,whichmatchestheWindowssystemandusagehabits;the

Fl -Fl 2 key functions are directly triggered, and the multimedia key functions need to be combined with the (FN) key to

achieve.

Mac System@: Switch thesystemtotheMACposition,andmatchtheMACsystemandusagehabitsatthistime;the

multimedia keys are directly triggered, and the Fl -Fl 2 key functions need to be combined with the (FN) key to achieve.

Windows System: switch •win' and •alt• to the left of the space bar to •alt• and •win•; the •alt•, •fn• and •ctrl• on the right side

of the space bar are switched to •ctrl•, 'fn• and •alt•.

Multimedia Button Function

: it is F

Multi-screen display Main control panel Last song Play/ Pause

Next song Mute Volume - Volume +

Indicator Light: charging light indicator-red, on when charging, and off when fully charged

Low battery flashing (when the voltage is less than 3.5V,the low battery flashes red (once in 1s), when the voltage is lower

than 3.2V, the keyboard automatically shuts down)

FN Composite Function Key

FN + t: increase brightness (O-28-44-60-80, default 100) FN + l: reduce brightness (O-28-44-60-80, default 100)

FN + e: reduce the light efficiency speed (O-28-44-60-80, 100 by default)

FN + increase the light efficiency speed (O-28-44-60-80, 100 by default)

FN + left Ctrl: cycle to switch the number key 1-Ofunction to: number 1-Ofunction (default) Fl -Fl 2 function

FN + Del: long press for 3 seconds to restore factory settings, clear all power-off memory information, including Bluetooth

pairing information

Knob Function Key

Leftknobo : turnclockwisetoincreasethevolumeofmultimedia,turncounterclockwisetodecreasethevolumeof

multimedia, press mute, press again to remove mute.

Right knobO : rotateclockwisetoincreasethebacklightbrightness.rotatecounterclockwisetoreducethebacklight

brightness, press cycle to switch the light effect.

The right knob contains extended function: it needs to support the function of clockwise rotation, counter clockwise

rotation and pressing of the left knob and the right knob,Such as: zoom in, zoom out, open, close, forward, backward and

other functions.

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