The Operation Guide for TQ-309 provides instructions on how to use the clock, including setting the time and using the alarm function.
This document is an operation guide for the Casio TQ-309 clock. It provides instructions on how to set the time and alarm, noting that the device does not distinguish between AM and PM times. The guide explains the functions of the Light/Snooze button, hands, and setting knob.
No, this clock does not distinguish between AM and PM times.
When the alarm is turned on, it sounds for 60 minutes at the preset time each day.
You should replace the battery at least once a year, even if it is working normally.