M811C - Clock Davtron - Free user manual and instructions
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| Product Type | Clock |
| Brand | Davtron |
| Model | M811C |
| Dimensions | 2.5 x 2.5 x 1 in (63.5 x 63.5 x 25.4 mm) |
| Weight | 0.2 lbs (90 g) |
| Power Supply | 1 x CR2032 battery (3V DC) |
| Display Type | LCD with backlight |
| Functions | Time, date, alarm, snooze, backlight |
| Operating Temperature | 32°F to 104°F (0°C to 40°C) |
| Accuracy | ±10 seconds per month |
| Battery Life | Approximately 1 year |
| Mounting | Panel mount or surface mount with included bracket |
| Material | Plastic case with glass lens |
| Maintenance | Clean with a soft, dry cloth. Avoid liquids. |
| Safety | Keep away from water and excessive heat. Use only specified battery. |
| Spare Parts | Replacement batteries only. Contact Davtron for other parts. |
| Repairability | Limited. Battery replacement is user-serviceable. Internal repairs require professional service. |
| General Information | Manufactured by Davtron. Designed for aircraft or general use. |
Frequently Asked Questions - M811C Davtron
How do I set the time on my Davtron M811C clock?
Press and hold the SET button for 3 seconds until the hour digits flash. Use the HOUR and MIN buttons to adjust. Press SET again to confirm.
How do I change the battery?
Remove the back cover using a small screwdriver. Replace the old CR2032 battery with a new one, ensuring correct polarity (+/-). Reattach the cover.
My alarm is not working. What should I do?
Check that the alarm is enabled (alarm icon visible on display). Ensure the volume is not set to zero. If still not working, replace the battery as low voltage can affect alarm function.
How do I reset the clock?
Remove the battery for 30 seconds, then reinsert it. This will reset all settings to factory defaults. You will need to set the time and alarm again.
How do I use the backlight?
Press the LIGHT button briefly to activate the backlight for 5 seconds. The backlight uses additional battery power.
Why is the display faint or dim?
A faint display usually indicates a low battery. Replace the CR2032 battery with a fresh one. If the problem persists, the LCD may be damaged.
Can I use this clock in a humid environment?
The Davtron M811C is not waterproof. Avoid exposure to high humidity or moisture to prevent damage.
How do I clean the clock?
Use a soft, dry microfiber cloth to gently wipe the case and lens. Do not use any liquids, cleaners, or abrasive materials.
The clock is not keeping accurate time. What can I do?
First, replace the battery with a new CR2032. If accuracy does not improve, the internal quartz crystal may be faulty. Contact Davtron support for further assistance.
What is the battery life of the Davtron M811C?
With normal use and backlight used sparingly, the battery lasts approximately 1 year. Frequent backlight use may reduce battery life.
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USER MANUAL M811C Davtron
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Product information
Brand : Davtron
Model : M811C
Category : Clock