GravaStar MERCURY K1 PRO Wireless Mechanical Gaming Keyboard User Manual

: September 20, 2024
: GravaStar

GravaStar MERCURY K1 PRO Wireless Mechanical Gaming Keyboard

Product Information

Specifications

Three-sided ambient lighting on the sides
RGB ambient light
Multi-media knob for volume control
Caps Lock Indicator (Lowercase – Flowing RGB, Uppercase – Constant White Light)
Connection Methods: Bluetooth (BT3.0/BLE5.0) and Wired
Operating System Mode Switching for Windows and Mac
Hotkey Instructions for various functions
Battery Indicator
Lighting Effects for Key Backlight and Ambient Light

Product Usage Instructions

Connection Methods

To connect via Bluetooth:
- Toggle the left switch to Bluetooth mode BT3.0/BLE5.0
- Device name: K1_3.0/K1_5.0
- Up to 3 devices can be connected simultaneously
To connect via Wired mode:
- Toggle the left switch to wired mode
- The white light on the 4key stays on for 3 seconds

Operating System Mode Switching

For Windows:
Use WIN, LEFT WIN, LEFT ALT, RIGHT ALT keys for mode switching
For Mac:
Use LEFT Option, LEFT Command, RIGHT Command keys for mode switching

FAQ (Frequently Asked Questions)

How do I reset the keyboard to factory settings?
To restore factory settings, press ESC with the combination function key.
How can I adjust the key backlight brightness?
To decrease key backlight brightness, use the combination function key with the I key. To increase it, use the combination function key with the O key.

Speciﬁcations

Number of keys: 79 keys
Keyboard switch type: Mechanical switch
Bluetooth version: V5.0
Bluetooth name: K1 PRO
Wireless distance: >10 meters
Battery capacity: 8000mAh
Battery life：
- Approximately 33 hours (default lighting eﬀect)
- Approximately 666 hours (with all lights oﬀ)
Input : DC 5V~1200mA
Charging time: About 10 hours
Interface type: Type-C
Product dimensions: 415187.657.6mm
Product weight: 1.18KG
System Support: Windows XP and above / Mac

Functions

Connection Methods

2.4G Connection:
Toggle the switch on the left to 2.4G mode, ~ key’s cyan light will ﬂash slowly. Then, press FN+~ for 3 seconds until the cyan light ﬂashes quickly to enter pairing mode. At this point, insert the receiver to complete the pairing. The`~ key’s cyan light will stay on for 2 seconds, indicating a successful 2.4G connection. (Note: When connecting via 2.4G, search ﬁrst before inserting the receiver). The factory default is pre-paired, so you can automatically connect by inserting the USB receiver into the computer’s USB port.
Bluetooth Connection:
Toggle the left switch to Bluetooth mode BT3.0/BLE5.0 (Device name: K1_3.0/K1_5.0)
Depending on the Bluetooth version of the terminal device, it will broadcast randomly, and up to 3 devices can be connected:
- = Bluetooth 1 : The blue indicator flashes quickly when broadcasting, reconnects slowly, and stays on for 3 seconds when connected
- = Bluetooth 2: The blue indicator flashes quickly when broadcasting, reconnects slowly, and stays on for 3 seconds when connected
- = Bluetooth 3: The blue indicator flashes quickly when broadcasting, reconnects slowly, and stays on for 3 seconds when connected
Wired Connection:
Toggle the left switch to wired mode, the white light on the “4”key stays on for 3 seconds.

Operating System Mode Switching

Fn + Left WIN = Lock/Unlock the left WIN key (when WIN is locked, the WIN indicator stays on; not locked in Android/MAC/IOS systems).
When switched to Mac system, the positions of left WIN/left ALT are swapped (WIN not locked). When switched to Mac/IOS systems, key positions are swapped(WIN not locked) as shown in:

Hotkey Instructions

(Make sure the left switch is set to the corresponding mode FN+`~/1/2/3 to enable pairing)

Windows operating system

(single key press function of the F key and FN key combination function with the F key）

Mac System

(F Key Single Function and FN Combination Function）

Lighting Effects

Key Backlight Effects
Fn + “|” key combination = Switch between 13 types of RGB backlight effects: Wave (default effect after reset), Shadow Follow, Sine Wave, Spinning Windmill, Colorful Waterfall, Prosperous Bloom, Gaming Mode, Off Constant Light Mode, Dream Rainbow, Instant Trigger, Key Ripple, Starry Sky.

Ambient Light Effects

Key Backlight Effects
Fn + Right Shift = Switch Side Ambient Light Mode. Monochrome steady light (default lighting effect), monochrome breathing, running light, colorful stream, and rainbow color change. These are the 5 lighting effects available. Among these, monochrome breathing, monochrome steady light, and running light can switch colors, including white, red, green, blue, yellow, purple, and cyan.

Battery Display

Press and hold Fn + B to check. 1~0 indicates battery level: all green when fully charged, green lights gradually decrease as battery is consumed, if battery <30% 1-3 lights turn red, if battery ≥30% 1-0 lights remain green.Release to restore the light eﬀect.
When battery is low, the FN key ﬂashes red. During charging, the FN key lights up red continuously,and turns oﬀ when fully charged.
Battery status can be displayed on the computer when connected via Bluetooth

Factory Reset

Press and hold Fn + Esc for three seconds to restore defaults. Previously connected Bluetooth devices will remain saved.

Software Download

To download the driver, please visit gravastar.com to get the download link.
You can deﬁne your preferred key functions, combination functions, backlight eﬀects, etc., through the driver software.

What’s in the Package

Keyboard x 1
2.4G Receive x 1
USB-A to USB-C Cable x 1
User Manual x 1
Switch Puller x 1

FCC NOTE

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

This device may not cause harmful interference
this device must accept any interference received, including interference that may cause undesired operation.

Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.

FCC Radiation Exposure statement
The device has been evaluate to meel general RF exposure requirement. The device can be used in portable exposure condition without restriction.