Using Earphones - Radio Shack CHRONOMATIC-312 Owner's Manual

3. Replace the cover.
The BATTERY SENTINEL lights automatically if the battery
needs to be replaced or is not installed.

USING EARPHONES

To listen in privacy, turn to its lowest setting and
VOLUME
plug a monaural earphone with a 1 / -inch plug into the
EAR-
8
jack. Your local Radio Shack store has a complete
PHONE
line of earphones.
Listening Safely
To protect your hearing, follow these guidelines when you
use an earphone.
7