Acctim Ceres 15387 Instructions
![Acctim Ceres 15387 manual cover](/images/94b7e6eaf4565bd2f9ecea76/thumbs/thumb175x175.webp)
To set the time, press and hold the 'Set' button until the time starts flashing. Use the 'Up' and 'Down' buttons to adjust the hour and minutes. Press 'Set' again to confirm.
First, check the battery power and replace if necessary. If the issue persists, try resetting the clock by removing the batteries for a few minutes and then reinserting them.
To switch between time formats, press and hold the 'Mode' button until the format starts flashing. Use the 'Up' or 'Down' button to toggle between 12-hour and 24-hour formats.
This could be due to low battery power. Replace the batteries with new ones. If the problem continues, there might be an internal issue requiring professional servicing.
To activate the alarm, press the 'Alarm' button. Use the 'Set' button to adjust the alarm time, then press 'Alarm' again to confirm. Ensure the alarm indicator is visible on the display.
To change the battery, gently remove the battery cover located at the back of the clock. Replace the old batteries with new ones, ensuring correct polarity, and then reattach the cover.
The Acctim Ceres 15387 does not have an adjustable brightness feature. It is designed with a fixed brightness level for optimal visibility.
To reset the clock, remove the batteries and wait for about 10 minutes before reinserting them. This will revert the clock to its default factory settings.
Ensure the alarm is set correctly and the alarm indicator is displayed. Check the volume setting and battery power as low battery may affect the alarm function.
Regularly check and replace batteries to ensure uninterrupted operation. Keep the clock away from extreme temperatures and moisture to maintain its longevity and accuracy.