Armitron 40/8417GBK
Contents
Armitron Sport Digital Chronograph Watch User Manual
Model: 40/8417 Black

Introduction
Thank you for choosing the Armitron Sport Digital Chronograph Watch, model 40/8417. This watch is designed for active lifestyles, featuring a durable resin case, a comfortable silicone strap, and a clear digital display. It offers multiple functions including time, date, chronograph, lap time, alarm, military time, and a backlight for low-light conditions. This manual provides detailed instructions to help you set up and operate your watch effectively.

Figure 1: Front view of the Armitron Sport Digital Chronograph Watch.
Watch Components
Familiarize yourself with the buttons and display of your Armitron Sport watch:
- ADJ (Adjust) Button: Used to enter and exit setting modes, and to confirm selections.
- MODE Button: Used to cycle through different modes (Time, Chronograph, Alarm, etc.).
- START/STOP Button: Used to start/stop functions like the chronograph, or to increase values during setting.
- EL (Electroluminescent) Button: Activates the backlight for the display.

Figure 2: Side view showing the ADJ and MODE buttons.

Figure 3: Back view of the watch and strap.
Setup
Setting Time and Date
Follow these steps to set the current time and date on your watch:
- From the normal time display, press and hold the ADJ button until the seconds begin to flash. This indicates you are in setting mode.
- Press the MODE button to cycle through the settings: Seconds → Hour → Minute → Year → Month → Day.
- While a value is flashing, press the START/STOP button to increase the value. Hold the button to rapidly advance.
- Once all settings are correct, press the ADJ button again to exit the setting mode and return to the normal time display.
12/24 Hour Format (Military Time)
To switch between 12-hour and 24-hour (military) time format:
- In normal time display, press the START/STOP button to toggle between 12-hour (AM/PM indicator) and 24-hour format.
Operating Functions
Chronograph (Stopwatch)
The chronograph measures elapsed time with lap time functionality.
- From the normal time display, press the MODE button once to enter Chronograph mode. The display will show "0:00:00".
- Press START/STOP to start the chronograph.
- Press START/STOP again to stop the chronograph. Press again to resume.
- To record a lap time while the chronograph is running, press the ADJ button. The lap time will display for a few seconds before returning to the running total.
- To reset the chronograph to zero, ensure it is stopped, then press the ADJ button.
Alarm Setting
Set an alarm to sound at a specific time.
- From the normal time display, press the MODE button twice to enter Alarm mode. The alarm time will be displayed.
- Press the ADJ button until the alarm hour flashes.
- Press START/STOP to adjust the hour.
- Press MODE to select the alarm minute, then use START/STOP to adjust.
- Press ADJ to confirm and exit alarm setting.
- To turn the alarm ON/OFF, in Alarm mode, press START/STOP. An alarm icon will appear/disappear on the display.
Backlight
The electroluminescent (EL) backlight illuminates the display for easy viewing in the dark.
- Press the EL button to activate the backlight. It will remain lit for approximately three seconds.
Maintenance
Water Resistance
Your Armitron Sport watch is water resistant to 165 feet (50 meters). This means it is suitable for short periods of recreational swimming, but not for diving or snorkeling. Avoid pressing buttons underwater to prevent water ingress.

Figure 4: Water Resistance Chart.
Cleaning Your Watch
To maintain the appearance of your watch, wipe it regularly with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners.
Battery Replacement
The watch uses 1 Lithium Ion battery (included). When the display dims or functions become erratic, it may be time to replace the battery. It is recommended to have battery replacement performed by a qualified watch technician to ensure water resistance is maintained.
Troubleshooting
If you encounter issues with your watch, refer to the following common problems and solutions:
| Problem | Possible Cause / Solution |
|---|---|
| Display is blank or dim. | Battery may be low or depleted. Replace the battery. |
| Cannot set time/date. | Ensure you are pressing and holding the ADJ button long enough to enter setting mode (seconds will flash). Follow the steps precisely. If issues persist, the watch may require a reset or professional service. |
| Buttons are unresponsive. | Check if the watch is in a specific mode that locks buttons. Try pressing MODE to return to normal time display. If wet, ensure buttons are dry. |
| Water appears inside the display. | Water resistance may be compromised. Avoid further water exposure and seek professional repair immediately to prevent damage. |
Specifications
- Model Number: 40/8417GBK
- Display Type: Digital LCD
- Case Material: Resin
- Strap Material: Silicone
- Water Resistance: 165 feet (50M)
- Functions: Time, Seconds, Day, Date, Chronograph, Lap Time, Alarm, Military Time, Backlight
- Battery: 1 Lithium Ion (included)
- Product Dimensions: 3.75 x 2.5 x 3 inches
- Item Weight: 4.8 ounces

Figure 5: Armitron Sport watch worn on a wrist.
Warranty and Support
Armitron Sport watches come with a limited warranty. For detailed information regarding your product's warranty, please refer to the official warranty document.
Official Warranty Document (PDF): Download Warranty Information
For further assistance or technical support, please visit the official Armitron website or contact their customer service department.
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