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Xronos Alarm Clock V2.1 Manual

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Xronos Clock Manual
For Xronos Clock V2.1
Foreword.
If you are like me, you'll probably ditch this manual and start messing with cool arcade buttons.
Xronos clock is intuitive and should be easy to figure out. But I see you are still reading, so let's
get on with it, I promise I'll try not to make this manual look as boring as your average table saw
instructions.

Quick start

Xronos clock comes with a good quality AC Adapter that will power your clock and won't waste
too much of power!
Firmly plug in power adapter into wall outlet and DC cable into clock's right side. Assuming
delivery man didn't drop your package off the truck (is there anything rattling inside clock case?)
and you have power in your house Xronos should greet you with scrolling welcoming message
and firmware number. If you are real lucky it will even play a startup melody :)
But not to worry, if startup sequence starts to drive you crazy in the future you can turn it off!

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Summary of Contents for Xronos Alarm Clock V2.1

  • Page 1: Quick Start

    If you are like me, you’ll probably ditch this manual and start messing with cool arcade buttons. Xronos clock is intuitive and should be easy to figure out. But I see you are still reading, so let’s get on with it, I promise I’ll try not to make this manual look as boring as your average table saw instructions.
  • Page 2 Let’s get familiar with Xronos Clock. 1 – MENU/ALARM RESET B UTTON 2 – SET/SNOOZE B UTTON 3 – INCR/TALK B UTTON 4 – A MBIENT IGHT SENSOR 5 – A CORN HOLDS ENCLOSURE TOGETHER 6 – AM I 12 H NDICATOR 7 –...
  • Page 3 say, but don’t panic! If you stop pressing all buttons clock with automatically exit after 5 seconds of inactivity. After you got into the menu that you want, press SET button to switch between items inside this menu. Then use INCR button to make change to selected item. And no need to “save” settings. All changes are saved into permanent memory (EEPROM) either immediately after pressing INCR button or after clock exits from menu.
  • Page 4 Left side of the clock has removable panel (held by 3 screws) for easy access to clock interface in case you want to re-program/update firmware, access microSD card (that holds all audio...

  • Page 5: Secondary Functions

    What you clock says is customizable via User Options menu. There you can choose what you want Xronos to say or not to say. For example you can set it to tell you only date and temperature, but not Time and Alarm settings.

  • Page 6: Alarm Functionality

    Reset Alarm for current day. Resetting alarm only works if Alarm is currently playing or snoozing. Alarm Functionality Your Xronos clock has mighty Dual Alarms. Each can be set to sound either Daily (Sunday-Monday), Workdays (Monday thru Friday) or on Custom days of your choosing.

  • Page 7: System Settings Menu

    Thus comes Temperature offset to the rescue! I recommend setting it to about -2 degrees. If you have another thermometer available use it to calibrate Xronos Clock to a correct temperature using offset.

  • Page 8: Optional Features

    Currently there are two features: Infrared Remote and RFM12b (radio frequency) transceiver. Infrared Remote New to Xronos Clock 2.1 is support for Infrared Receiver and ability to control clock functions with “keychain” remote control. Remote duplicates functionality of the arcade buttons and additionally gives ability to decrement items (i.e.
  • Page 9 As of this writing we do not have any accessories for sale that will work with RFM12B chip, but you are welcome to make your own. Out of the box Xronos clock supports remote temperature and humidity data. If you want to build your own sensor use Arduino code provided on our website (xronosclock.com).
  • Page 10 Complete Menu System Reference Set Alarm 1: Controls 1st alarm ● On/Off : I’ll let you guess what it does :) ● Alarm Frequency: ○ Custom: Let’s user choose any combination of days when alarm will sound ■ Mon: Y/N ■...
  • Page 11 User Menu: Sets User preferences ● Info Display – Controls what and is shown in scrolling text line and how frequently. ● Show Every: Controls frequency of Info Display, disables it and lets you select which item to show. ● Displ Date: Y/N Option to display date ●...
  • Page 12 Depending on preference your Xronos Alarm Clock should be wiped from time to time to remove accumulated dust. Or not. Other than this, you might have to occasionally change internal clock battery in case you notice clock loses time if there was power interruption. Xronos takes generic CR2032 coin type 3V battery.
  • Page 13 To replace battery you will need a small Philips head screwdriver to open maintenance door on the left side of the clock. Here are steps to open maintenance door: Unplug your Xronos Clock. Looking at the front of the clock maintenance door is on the left of the clock (opposite from speaker side) held by 3 small screws (as shown on the picture above) Gently remove screw that holds door from the back of the clock (1).

  • Page 14: Upgrading Firmware

    You should see internal battery. Using small flat screwdriver gently push metal retainer clip outward until it releases battery. Replace with fresh battery. Insert it from plastic end opposite to metal clip first, and then press down until retainer clip clicks holding it in place. Upgrading Firmware Removing maintenance door will also allow you access to the FTDI programming interface.
  • Page 15 Plug in USB cable from your computer to FTDI adapter and connect FTDI adapter into Xronos clock. Provided you installed drivers, your computer will acquire a COM port. Take a note of the COM Port number by going Device Manger (via Control Panel ->...
  • Page 16 Dallas Temperature OneWire IR REmote Download source code Open in Arduino IDE, compile and upload to Xronos Clock Disassembly/Reassembly If you want to modify hardware or add optional RFM12B chip and/or IR receiver you will need to open enclosure Warning: Please be very careful with enclosure, as acrylic tabs can be broken off easily. Never force your way, go slowly.
  • Page 17 Reassembly: ● Attach Main board and power supply to the back panel. Plug in power and temperature sensor wires. ● Attach right “speaker” panel to the bottom panel with two 1/2” 4-40 screws. Leave screws slightly loose at this point! Joint will be moving slightly for easier insertion. ●...

  • Page 18: Troubleshooting

    Don’t pull on the cable. Warranty I will fix or replace fully assembled Xronos clock in the period of ONE YEAR since date of sale if issue is due to the manufacturing defect. Because this is open source and hackable device, I cannot be held responsible if you damage it, so warranty will be voided if you modified the clock.

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