Denver CR-421 - Nap Function; Display Dimmer Function

repeatedly for the duration of the SLEEP tie. The rage of SLEEP tie is 
minutes to 10 minutes, as displayed on the screen.
NAP
Set the desired NAP time and the radio will turn on automatically after the preset
time.
1. When the radio is off, press and hold ON / OFF / NAP utton (2) for
approximate 4 seconds and the display and FM indicator (D) will flash.
2. Press P+ utto  or P- utto  to set the desired ap tie , , 
or 120 mins)
3. Press ON / OFF / NAP utto  to ofir.
DIMMER
When the radio is off and the urret tie showig, press SNOOZE / SLEEP / DIM
button (1) to select the brightness of the display for high or low.