Shenzhen Yameihua Industrial RF22 Portable USB 2.4GHz 22-Key Keyboard Instruction Manual
- June 6, 2024
- Shenzhen Yameihua Industrial
Table of Contents
Instruction Manual
2.4G keyboard
CAUTION: To use this device properly, please read the instruction manual carefully before using it.
LED Indicator
This keypad has two red LED indicator lights.
- Turn the switch to the ON position, the LED1 light will go on and then go out after 3 seconds, then the keypad enters the Power Saving mode.
- Long press the “Esc+Enter ” key for 2-3 seconds, the LED1 will flick red, it indicates the keypad enters the pairing state.
- When the battery voltage is lower than 2.1V, the LED1 flicks red, please replace the batteries.
- When the NumLock function is ON, the LED2 will be bright, then you can input numbers by pressing the number keys.
- When the NumLock function is OFF, the LED2 will go out, and all numeric keys will be not effective, and the following is how the functions keys work:
| Press Number 1: | End |
|---|---|
| Press Number 2: | Down |
| Press Number 3: | PgDn |
| Press Number 4: | Left |
| Press Number 6: | Right |
| Press Number 7: | Home |
| Press Number 8: | Up |
| Press Number 9: | PgUp |
| Press Number 0: | Ins |
| Press “ . ”: | Del |
Hotkeys of Keypad
This keyboard provides hotkeys of the top cover.
: Open the calculator
Esc: Same as Esc key function (when the calculator is open, it indicates
reset)
Other Advantages
-
Power Saving Design: when there is no action for the keypad for about 10mins， it will enter a dormant state, just press any key that can activate it.
-
Two AAA alkaline batteries: so the whole system voltage is 3V.
Install the Batteries
This wireless keypad uses two AAA alkaline batteries
Step 1: Remove the battery cover back by squeezing it from the keypad to
release it.
Step 2: Put the batteries inside as shown.
Step 3: Recover it.
RF Pairing
-
Switch to the ON position from the back of the keypad.
-
Long press the “Esc+Enter ” key for 2-3 seconds, the LED1 will flick red, it indicates the keypad enters the pairing state.
-
Plug the receiver into the computer’s USB port.
-
LED1 goes out, the keyboard and receiver is successfully coded, Now you can use the keyboard normally
FCC:
This device complies with part 15 of the FCC Rules. Operation is subject to
the condition that this device does not cause harmful interference
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference
that may cause undesired operation.
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.
The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction.