L73859 - Clock LA CROSSE TECHNOLOGY - Free user manual and instructions
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| Product Type | Analog/Digital Wall Clock |
| Model | L73859 |
| Brand | La Crosse Technology |
| Dimensions | Approximately 10 x 10 x 1.5 inches (25.4 x 25.4 x 3.8 cm) |
| Weight | 1.2 lbs (0.54 kg) |
| Power Source | 2 AA batteries (not included) |
| Display Type | LCD screen with large digits |
| Time Format | 12-hour or 24-hour selectable |
| Calendar Display | Month, date, and day of week |
| Indoor Temperature | Displayed in °F or °C |
| Humidity Display | Indoor humidity percentage |
| Atomic Time Sync | WWVB radio-controlled time (requires battery) |
| Alarm Function | Single alarm with snooze |
| Backlight | Blue LED backlight for night viewing |
| Mounting | Wall mountable with keyhole slot |
| Operating Temperature Range | 32°F to 122°F (0°C to 50°C) |
| Battery Life | Approximately 12 months with standard alkaline batteries |
| Maintenance | Clean with a soft, dry cloth; avoid liquids |
| Safety | Keep away from direct sunlight and moisture; use only specified batteries |
| Spare Parts | Contact La Crosse Technology for replacement battery door or stand |
| Repairability | Limited; consult manual for troubleshooting; professional service recommended |
| General Information | Designed for indoor use only; not water resistant |
Frequently Asked Questions - L73859 LA CROSSE TECHNOLOGY
How do I set the time on my L73859 clock?
Press and hold the SET button for 3 seconds. Use the + and - buttons to adjust the hour, then press SET again to move to minutes. Repeat for date and other settings. The clock will automatically search for atomic time signal after setup.
What batteries does the L73859 use?
The clock requires 2 AA alkaline batteries (not included). Use fresh batteries for best performance.
Why is my clock not receiving the atomic time signal?
The atomic signal is received overnight when interference is minimal. Ensure the clock is placed near a window and at least 6 feet away from electronic devices. Press the REC button to force a signal search.
How do I switch between 12-hour and 24-hour time format?
In settings mode, press the SET button until the hour format option appears (12h or 24h). Use the + or - button to toggle, then press SET to confirm.
Can I mount this clock on the wall?
Yes, the L73859 has a keyhole slot on the back for wall mounting. Use a screw (not included) appropriate for your wall type. Ensure the clock is level.
How do I set the alarm?
Press the ALARM button once to show alarm time. Press and hold ALARM for 3 seconds to enter alarm set mode. Use +/- to adjust hour and minutes, then press ALARM to save. Press ALARM again to enable/disable.
Why does the temperature display show dashes?
Dashes indicate no sensor data. The clock has an internal sensor; ensure it is not blocked. If using an outdoor sensor (sold separately), check battery and distance.
How do I clean the clock?
Use a soft, dry cloth to wipe the clock. Do not use any liquids or cleaners, as they may damage the electronics. Remove batteries before cleaning.
What is the warranty period for L73859?
La Crosse Technology offers a 1-year limited warranty from the date of purchase. Retain your receipt for warranty claims. Contact their customer service for support.
Can I use rechargeable batteries in this clock?
Yes, you can use rechargeable AA batteries (NiMH), but note that voltage is slightly lower (1.2V vs 1.5V), which may reduce backlight brightness or affect atomic signal reception. Standard alkaline batteries are recommended.
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USER MANUAL L73859 LA CROSSE TECHNOLOGY
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Product information
Brand : LA CROSSE TECHNOLOGY
Model : L73859
Category : Clock