On basic models, the button only illuminates the display for 5 seconds (great for checking time at night).

The DM 2610 clock module has the following features:

Most DM 2610 units have a fixed brightness, but some models allow adjustment:

The DM 2610 clock module has the following technical specifications:

Unplug the clock. Press the LIGHT button – if nothing lights, the battery is dead or missing. Replace it annually.

A: Place a small piece of tinted plastic or use a dimming sticker over the display. Some models have auto-dimming – see Section 9.