Name: TactixCharlieHR
Rating: 4.7 (1064 reviews)
Author: bine8x8

Attention!
This hasn't required payment for a very long time. Unfortunately, I've run out of money to live on (rent, food, and clothing), so I'm forced to ask for payment for my work. For now, payment is only required for this watch face. Many of my other watch faces, such as Enduro Like Plus, OSM Like, FR965 Like Plus xDrip, and others, remain free. Again, I'm not looking for instant wealth, just a little money to live on.
Those who have already supported me with this watch face received an email with an unlock code upon payment. Simply enter it in the last section of the watch face settings. If you've lost your code, email me at slaka8x8@gmail.com and tell me the email address you used when making the payment or the payment date. I'll check and remind you of the code.
*You can support my efforts to improve the application with a small donation:
Если рублями - напишите slaka8x8@gmail.com
https://pay-to-use.com/?app=30
A standard PayPal or Stripe page will open for payment.
The intermediate page is needed so that the intermediary knows that the money is intended for me.
For this I will give you a code.
Without the code, some functions will be disabled after three days of installation, such as color settings, the second hand will disappear, etc. The code will cancel them for you.
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Made based on my TactixCharlieSimply which is based on the native Garmin watch face (watchface). 
Three customizable data fields including heart rate. Customizable themes, seconds display control, solid and wire hands, and show sun events. Full color, smooth fonts and icons. Real continuous display of 1Hz second hand.
Settings in the following languages: English * Deutsch * 中文 * Русский * français
For Celsius / Fahrenheit just set your watch - Settings-System-Units-Temperature.
To set 24 hours use "Time format" settings into Clock -- Time build-in wacth menu.
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To the sunrise/sunset calculations, you need to lock the GPS location. Outdoor just go to any activity that uses GPS and wait until 'GPS ready' appears, then exit the activity. Note that you will need to repeat this after changing your location, otherwise the sun times will reflect your last location.
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For changing app settings pease use CIQ Mobile Store
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The temperature from the sensor is converted according to the formula T = (t * k1 + k2) * k3 + k4
To display the true temperature from the sensor, the values of the coefficients are set by default:
k1 = 1, k2=0, k3=1 k4=0
By varying the coefficients, you can adjust the temperature to your body temperature (you must to do it yourself, I am not making recommendations)
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NOTE: when display "Heart rate" - "Labels over hands" is active even if it is disabled in the settings. I did this to reduce energy and memory usage.