Cathode Corner NWLD Manuel utilisateur
NWLD Nixie Watch
User Manual
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Copyright (C) 2021 Cathode Corner. All rights reserved.
Printed in USA
Watch made in USA
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Table of Contents
Introduction........................................................................................ 5
Warranty ............................................................................................ 7
Operating Instructions ........................................................................ 9
Maintenance ..................................................................................... 12
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5
Introduction
The Cathode Corner Square Nixie Watch is just about the most unusual
yet practical timepiece you can wear on your wrist. It is a two-digit
Nixie tube wristwatch designed for everyday use. It’s guaranteed to get
attention. People will ask you, “What is that? Is it a watch? Show me
how it works.”
The Nixie Watch is water-resistant and rugged. The battery is easily
charged via the Micro USB port on the side. The watch requires no
button pushing to operate – it shows the hours, minutes and seconds in
sequence at the flick of the wrist. It provides a bit of theater with every
reading.
The large crystal shows off the workings of the watch: the tubes, battery,
and high-voltage power supply are all visible.
The watch features 12 or 24-hour time display mode, user-settable tilt
angle, and easy time setting operation. The timekeeping rate is
adjustable and the watch comes pre-adjusted to within a second a week.
The two Nixie tubes are the widely available B-5870 type and are
socketed for easy replacement in case of damage. These tubes have 0.6”
(14mm) tall digits for easy reading in adverse conditions.
The case is made of strong, lightweight aircraft aluminum. The rear half
is hard anodized for long life on your wrist. The front of the case is
gently contoured for comfort in all-day use, and is available in a variety
of colors. O-ring seals keep out water, dust and dirt. The strap is a
standard 22mm size, so a replacement strap is available at any fine
jeweler.
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Specifications
Size: 48mm wide 53mm tall by 16mm thick
(1.9” wide 2.1” tall by 0.63” thick)
Weight: 2 oz. (60g) exclusive of strap
Crystal window: 32.5mm x 27.4mm x 1mm thick mineral glass
Strap width: 22mm between lugs
Battery life: Approximately 2-4 weeks at 50 viewings per day
Charging time: 3 hours at 5V USB, 80 mA max.
Replaceable Parts
Battery: 631235 size Li-poly (rechargeable), 3.7 Volt, 200mA-hour
Case O-Ring: 40 to 42mm ID x 0.70mm
Button O-rings: 2.2mm ID x 0.50mm
Screws: Four 0-80 x 3/16” stainless steel socket head cap screws
Nixie tubes: Two B-5870 or equivalent, 0.6” (14mm) tall digit side-view
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Warranty
Thank you for your purchase.
The Nixie Watch is guaranteed for a period of one year after date of
purchase to be free of defects in materials and workmanship. In case of
malfunction, the watch will be repaired or replaced at the discretion of
Cathode Corner. The customer must send the watch at their expense to
the address given below on this page (or as listed on the website
mentioned below). This warranty does not cover the cost of shipping the
watch to Cathode Corner for evaluation. It does cover the return postage
to the customer.
The software programmed into the microprocessor in the watch is
licensed under the General Public License and carries NO WARRANTY
WHATSOEVER, including merchantability and fitness for a particular
purpose. See the source code files on the www.cathodecorner.com
website for more information.
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Contacting Cathode Corner
Cathode Corner wants to have only satisfied customers. If you are
having trouble with your watch or you just want to talk with us about
fun things, you may contact Cathode Corner in any of the following
ways.
Visit Cathode Corner on the Web at www.cathodecorner.com
Phone: 520-989-1491
Email: david@cathodecorner.com
Mailing address:
Cathode Corner
260 E Ross Pl.
Tucson AZ 85716
USA
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Operating Instructions
Charging the Battery
The watch is shipped with a charged battery. When the battery runs
down to about 20% remaining charge, the watch will indicate this by
causing the display of the minutes to flicker. This is a warning that you
should charge the watch in the next day or so.
Charge the battery by connecting the watch to any USB charger or
computer via a micro-USB cable. These cables are so common that you
probably already have several. Charging time is under three hours. The
watch has a built-in charge controller that automatically shuts off when
the battery is full, preventing overcharging.
If the battery is allowed to run down fully, the watch will stop
displaying the time altogether, although it will enter time-setting mode.
There is an undervoltage protection circuit built into the battery to
prevent a dangerous complete discharge. Nonetheless, the battery
lifetime will be reduced if left discharged for several months.
Setting the time
You may set the time on the Nixie watch by pushing the two buttons on
the right side in the proper sequence. The lower button is the Set button.
It selects the time-setting mode. The upper button is the Adv button. It
advances that portion of the time that is selected for setting. If you push
the Adv button first, nothing will happen.
The Set button cycles through a sequence as follows:
Normal display mode
12/24 hour select (displays ‘12’ or ‘24’)
Hour setting (both digits flash)
10
Tens of minutes setting (left digit flashes)
Units of minutes setting (right digit flashes)
Seconds reset (counting seconds shown)
Tilt angle (displays ‘45’)
Normal display mode
Go ahead and press the lower Set button seven times to observe the
modes listed above. When you have finished the cycling through the
setting modes, the display will be blank again.
To begin setting the time, press the Set button once. The display will
show 12. Pressing the Adv button causes this number to alternate
between 12 and 24. When 24 is selected, the watch is in 24 hour display
mode and the hours will range from 00 to 23. When 12 is selected (the
default), then the watch is in 12 hour mode and the hours will range
from 01 to 12.
Press Set to enter hour setting mode. The watch displays a blinking 01.
This is the hours. To increment the hours, press the Adv button
repeatedly until the proper hour is displayed.
Press Set to set the tens of minutes. The watch displays the current
minutes with the left digit blinking. Press Adv repeatedly to set the left
digit of the minutes properly.
Press Set to set the units of minutes. The watch displays the current
minutes with the right digit blinking. Press Adv repeatedly to set the
right digit of the minutes properly. It’s a good idea to set it one minute
ahead so that the seconds reset that follows will leave the watch set to
the correct minute.
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