If the screen does not turn on, either it’s not on or the batteries are worn out. If so, do the following:
- Press the power key to turn the device on.If the device does not turn on after pressing power, replace the batteries.
If the characters on the display are dim and difficult to read or do not appear at all, it may be caused by the contrast setting, worn out batteries, or bad lighting/room angle.
If the device does not turn on after pressing power, replace the batteries.
Adjust ContrastThe contrast setting may be causing the difficulty if it’s set too high or low. To adjust the contrast:Press menu. Press enter to confirm the Settings selection.Press the arrow keys to select Contrast.Press enter to confirm.Replace the BatteriesThe dim screen may also be caused by worn out batteries. If so, replace the batteries.Bad Lighting or Room AngleDifficult to read screens may also be caused by lighting and viewing angles. Tilt the device and/or change the lighting until the characters become easier to read.
If the keys are not functioning properly it may be because the keys are stuck, damaged, or the screen may be too dim. Many times resetting the device fixes these issues.
Press menu. Press enter to confirm the Settings selection.Press the arrow keys to select Contrast.Press enter to confirm.
Stuck KeysA stuck key may cause other keys to not work. If a key is stuck, adjust the keypad underneath the panel.Dim ScreenIf the screen is too dim, it makes it very difficult to see if the keys are working. If so, adjust the contrast, lighting, or viewing angle.ResetIf the keys are not working and nothing solves the problem, the device may need to be reset. To do so:Press the power key to turn the device off and back on.If turning the device off and on does not work, the device may need to be fully reset. To do so:Locate the reset button on the back panel. Press the reset button with a thin pointed object (such as a paper clip).Remember resetting the device erases all stored memory!Broken KeysImproperly functioning keys may also be caused by damage or misalignment. If damaged, replace the keypad. If misaligned, adjust the keypad on the front panel.
If a password was created but forgotten, do the following to reset the device:
Press the power key to turn the device off and back on.
Locate the reset button on the back panel. Press the reset button with a thin pointed object (such as a paper clip).Remember resetting the device erases all stored memory!
Remember resetting the device erases all stored memory!
Locate the reset button on the back panel and press it with a thin pointed object (such as a paper clip).Remember this will delete all the memory!
If the display is on but not responding, reset the device:
Remember this will delete all the memory!
Locate the reset button on the back panel and press it with a thin pointed object (such as a paper clip). Remember this will delete all the memory!
If there is a problem with the device and all else fails, pressing power on and off, resetting the device, and replacing the batteries will fix it.
PowerPress the power key off and on.
ResetLocate the reset button on the back panel and press it with a thin pointed object (such as a paper clip).Don’t forget this will erase the memory!
Battery replacementLocate the battery compartment on the back panel and replace the batteries.
Don’t forget this will erase the memory!