How do you set brightness on t617s timex clock radio?

To set the brightness on the Timex T617S clock radio, locate the brightness control button, usually marked with a sun icon or labeled as "Dimmer." Press this button repeatedly to cycle through the available brightness levels until you find your desired setting. If your model has a rotary knob, you may need to turn it to adjust the brightness instead. Be sure to check the user manual for specific instructions related to your model.