20 Most Recent Sentry CR104 Clock Radio Questions & Answers

Many Sentry product manuals can be down loaded from the following URL
http://www.sentryindustries.com/support/manuals.asp
The instructions for Sentry CR104 is located at the following URL
http://www.sentryindustries.com/pdf/instructions/CR104_instructions.pdf

This may be unrelated to your problem, but
I have noticed sometimes the instructions tell you to use the ADJUST key.
If that does not work try the SET key sometimes it will work instead of the ADJUST key.

Many Sentry product manuals can be down loaded from the following URL
http://www.sentryindustries.com/support/manuals.asp
The instructions for Sentry CR104 is located at the following URL
http://www.sentryindustries.com/pdf/instructions/CR104_instructions.pdf
I have noticed sometimes the instructions tell you to use the ADJUST key.
If that does not work try the SET key sometimes it will work instead of the ADJUST key.

Reading reviews on this unit shows that this is a common issue with this clock The only thing I can say it make sure you have it set to the correct time zone.

You are out of luck without model number.

try getting a new cable.If that does not work then the problem is the audio input port.