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Sometimes the sending LED on my keyboard blinks green, and other times it blinks red. What's that all about?
The two colors indicate whether the keyboard is getting through to the computer successfully. Green means keystrokes are getting through. Red means something is wrong and keystrokes are not getting through.

Try the following experiment. Unplug the receiver from your computer and type a few keystrokes. The sending LED should blink red. Then plug the receiver in and type again. Now you should see green blinks. The sending LED will blink red in these situations:
1. Computer is powered off
2. Receiver is unplugged
3. Keyboard is out of range of receiver
4. Ambient RF interference is blocking communication
5. Receiver and keyboard are not on the same address

No GREEN light on the RF-015 USB receiver
Unplug the USB cable and plug it back into the computer.

No GREEN light on the RF-017 PS/2 receiver
Power down the computer. Unplug the PS/2 cable(s) and plug back into the computer, then reboot.

The LED on the RF-019 USB receiver stays RED.
The computer has not connected to the receiver. Unplug the USB cable and plug it back into the computer.

Key presses or mouse moves not getting through

  1. If no LEDs blink when you press a key or move the mouse, replace the batteries.
  2. If the sending LED blinks RED when you press a key or move the mouse, reposition the keyboard or receiver. For best operation the keyboard should be between 1 and 100 feet from the receiver. If this is ineffective, set the address again.
  3. If the sending LED blinks GREEN when you type a key or move the mouse, disconnect the receiver from the computer then reconnect (remember that you must shut the computer down before disconnecting the PS/2 receiver).

Keystrokes appear or the mouse moves by itself
The device address has the same address as another Wireless Computing device. It has probably not been changed from the factory default address. Set the device address.

Can my RF-250 ever lose its address?
No. Wireless Computing devices save their address in EEPROM. This type of memory will retain the address for 10 years.

I just got a new RF-250 keyboard and I can't get it to address with my old receiver.
Check the label on the keyboard and receiver. If the keyboard label is gold and the receiver label is white or silver will need to replace your receiver. Gold label keyboards use encryption and require gold label receivers. White and silver label receivers won't work with them.

The external PS/2 mouse stopped working.
The RF-250 is designed to put the mouse into sleep mode after 30 minutes of inactivity to conserve battery power. You can wake the RF-250 by pressing any key on the keyboard.

The mouse won't move
If no LED's blink when you move the mouse, press the 'Mouse On' button on the keyboard. If this is ineffective, check to be sure that the mouse PS/2 connector is firmly in place.

How do I attach the RF-250 wrist rest?

  1. Place the keyboard and wrist rest on a flat surface
  2. Line up the two slots on the underside of the keyboard with the two tabs on the wrist rest
  3. Press down gently on the keyboard until the two tabs snap into the slots
  4. Turn the keyboard over (be sure not to pick up the keyboard by the wrist rest).
  5. Attach the wrist rest's PS/2 cable to the PS/2 jack near the top of the keyboard.

How do I detach the RF-250 wrist rest?

  1. Place the keyboard on a flat surface
  2. Turn the keyboard over (be sure not to pick up the keyboard by the wrist rest).
  3. Detach the wrist rest's PS/2 cable from the PS/2 jack near the top of the keyboard.
  4. Turn the keyboard back over
  5. Press down gently on the wrist rest while lifting up on the sides of keyboard until the two tabs release from the slots

How do I disable the tap-to-click feature of the RF-250 touch pad?
The tap-to-left-click feature of the RF-250 touch pad cannot be disabled.

How do I enable scroll regions on the RF-250 touch pad?
Scroll regions cannot be enabled on the RF-250 touch pad.

Can I plug a USB mouse into the RF-250 Wireless Keyboard using a green USB-to-PS/2 adapter?
No. Although the USB-to-PS/2 adapter will convert the mouse to work with PS/2 on a standard computer, the mouse still requires much more power (about 150mA) than the RF-250 Wireless Keyboard's PS/2 connector can provide (about 20mA).

Note: Attempting to use a mouse that draws more than 20mA may damage the RF-250.

Can I plug an optical mouse into the RF-250 Wireless Keyboard?
No. An optical mouse requires much more power (about 100mA) than the RF-250 Wireless Keyboard's PS/2 connector can provide (about 20mA).

Note: Attempting to use a mouse that draws more than 20mA may damage the RF-250.

Can I plug a 25mA PS/2 mouse into the RF-250 Wireless Keyboard?
No. The RF-250 Wireless Keyboard's PS/2 connector can provide only about 20mA.

Note: Attempting to use a mouse that draws more than 20mA may damage the RF-250.

How can I tell how much current my PS/2 mouse needs?
The power rating is printed on the underside of the mouse.

The RF-250 with USB receiver isn't working with Windows 95
We do not support Windows 95 installs. You will need Windows 98SE or later.

The RF-250 with USB receiver isn't working with Windows
Click on the following link for Windows USB troubleshooting.

The RF-250 with USB receiver isn't working with Windows NT 4.0
Windows NT 4.0 does not support USB. BSquare sells a driver that adds USB support to Windows NT 4.0.

<Ctrl>-<Alt>-<Delete> doesn't work (Windows)

The keyboard is configured for use with the Macintosh. Press both left and right Win and Alt keys at the same time. This will set the keyboard for use with Windows.

The 'Windows' menu comes up when the Alt key is pressed (Windows)
The keyboard is configured for use with the Macintosh. Press both left and right Win and Alt keys at the same time. This will set the keyboard for use with Windows.

The 'Option' and 'Command' keys are backwards (Macintosh)
The keyboard is configured for use with Windows. Press both left and right Command and Option keys at the same time. This will set the keyboard for use with the Macintosh.

The 'Break' key doesn't work (Windows)
To send a Break you need to hold down the Ctrl key and press the Pause/Break key.

Why does my RF-250 with USB receiver stops working when my Windows XP login screensaver is running?
An immediate fix is to unplug the USB receiver and plug it back in.

Once you're able to log into the system as an administrator-level user, do the following:

  1. Click the Start menu.
  2. Click the All Programs menu item (this will show all your programs).
  3. Click the Administrative Tools item in the All Programs menu.
  4. Click the Component Services item in the administrative Tools menu.
  5. Double-click the Services (Local) entry (this will display a list of services in the right pane).
  6. Locate the HID Input Service entry.
  7. Double-click the HID Input Sevice entry.
  8. Click the General tab at the top of the properties dialog.
  9. Locate the popup labeled Startup type.
  10. Change the value of the Startup type popup to Automatic.
  11. Locate the Service status field. It should be Started.
  12. If Service status is not Started, click the Start button.
  13. Click the OK button to close the properties dialog.
  14. Click the File menu item in the menu bar.
  15. Click Exit item in the File menu.

How can I get instructions for my RF-250 with RF-015 USB receiver?
You can download a PDF copy of the instructions.

How can I get instructions for my RF-250 with RF-017 PS/2 receiver?
You can download a PDF copy of the instructions.

How do I set the address on the RF-250?

To set the address of an RF-250:

  1. Press and release the button on the underside of the receiver. This will put the receiver into addressing mode. The receiver's LED will blink for 30 seconds.
  2. Press and release the Addr key on the keyboard (top row, next to the F12 key).

The RF-250 should now be addressed. The receiver will continue to blink for an additional 30 seconds allowing you to set additional devices to the same address.

Can I use one RF-250 to control multiple computers at the same time?
No. Although you can have multiple devices working with one receiver, a device can only work with one receiver at a time.

How can I use one RF-250 and receiver with multiple computers?
Connect the receiver to a multi-port KVM switch.

How can I use multiple Wireless Computing devices (keyboards and mice) on one computer?
With all Wireless Keyboards and Mice in range of the receiver, press the address button on the underside of the receiver and then press the address setting button(s) on each device you wish to use with that receiver (refer to each devices instructions for specifics).

How can tell if my RF-250 Wireless Keyboard supports encryption?
RF-250 Wireless Keyboards that support encryption have a gold label on their underside.

Can I use one RF-250 Wireless Keyboard on multiple computers?
If you have an RF-250 Wireless Keyboard with encryption, it can save the address and settings for up to five (5) receivers.

To save the address of a receiver:

  1. Set the address of the keyboard by pressing the button on the underside of the receiver and then pressing the Addr key on the keyboard
  2. Press and hold down the left control (Ctrl), left windows (Win), and left shift (Shift) keys
  3. Press the bank number ( 1, 2, 3, 4 or 5 ) you would like to save the address in
  4. The low battery and sending indicators will turn red briefly to indicate a successful save
  5. Release all keys

To select a saved address:

  1. Press and hold down the left control (Ctrl) and left windows (Win) keys
  2. Press the bank number ( 1, 2, 3, 4 or 5 ) you would like to recall the address from
  3. The low battery LED will turn red and the sending LED will turn green briefly to indicate that the saved addresses have been selected
  4. Release all keys

To clear all saved addresses:

  1. Press and hold down the left control (Ctrl), left windows (Win), and left shift (Shift) keys
  2. Press the 0 (zero) key
  3. The low battery and sending LEDs will turn red and the caps lock LED will turn green briefly to indicate that all saved addresses have been cleared
  4. Release all keys

When I plug in the USB receiver, my PS/2 keyboard and mouse go dead
When some computers detect more than one boot keyboard, they disable one of them. In cases where you need both the wireless device and wired PS/2 keyboard and mouse, you should be able to use a PS/2-to-USB adapter. The computer will then treat both keyboards as USB devices.

I spilled liquid into the keyboard
Don't turn the keyboard over. The keyboard's slope will channel the water to the bottom of the keyboard away from the circuit board at the top right of the keyboard. Turning the keyboard over increase the risk of getting the circuit board wet and will also allow the liquid to flow into the keycaps.

Disconnect the receiver and remove the batteries from the keyboard.

Contact your reseller or Wireless Computing immediately.

Can I use a USB-to-PS/2 adapter with the USB receiver or USB extender?
No. The USB receiver and USB extender are 'combo' devices. This means that the computer treats them as more than one USB device. The USB-to-PS/2 adapters that come with corded USB device are designed to handle only single devices. These are usually color-coded (purple - keyboard, green - mouse). If you have no available USB ports, you can use a USB hub or USB card.

Can I use the RF-250 Wireless Keyboard as my only keyboard if I'm using a USB receiver?
In order to use the RF-250 Wireless Keyboard as the only keyboard on a computer, it must be connected directly to a primary USB port so that the computer will recognize it at startup time. It cannot be connected via a hub to use it as the only keyboard on the computer.

Can I use the RF-250 in Europe?
No. The RF-250 operates on a frequency (916.5 MHz) which is restricted in Europe.

Why can't I set the address RF-250 Wireless Keyboard?
If you have an encrypted (gold label) RF-250 Wireless Keyboard, you need to use an encrypted (gold label) receiver. If you have an unencrypted (silver or white label) RF-250 Wireless Keyboard, you may have another Wireless Computing keyboard who's address is set to the factory default. If you do, disconnect all receivers and set the address of each keyboard one at a time.

Can I use the encrypted (gold label) RF-250 Wireless Keyboard with my unencrypted (silver or white label) receiver?
No. The encrypted (gold label) RF-250 Wireless Keyboard will not allow you to set its address with an unencrypted (silver or white label) receiver. You must use an encrypted (gold label) receiver with the encrypted (gold label) RF-250 Wireless Keyboard.

Can I connect the RF-015 USB receiver or RF-020 receiver extender to my network?
No. The RF-015 USB receiver and RF-020 are not Ethernet-compatible devices. The receiver and extender should never be plugged into an Ethernet network, hub or switch. Plugging the receiver into an Ethernet network will damage the receiver.

How can I find out what address my RF-250 is set to?
Make the RF-250 output its statistics:

  1. Open a text editing application.
  2. Press and hold the left-Ctrl and left-Shift keys.
  3. Press and release the Addr key.
  4. Release the left-Ctrl and left-Shift keys.

If you have an RF-000, RF-015 or RF-017 receiver, the address will be the first pair of 5-digit numbers on the first line.

RF-250 xx 00156 00108 ...

If you have an RF-019 receiver, the address will be shown on the first line.

Address: 40044

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