Review Item:

Crystalfontz 634 LCD
w/ Bracket Kit

Date:
25 - April - 2003

Manufacturer:
CrystalFontz

Supplier:
Retail

Cost:
$87.75

Reviewer:
Chad

 

Introduction

Ok so who has an LCD? Or better yet, who doesn't have one?
LCD's are becoming or have become a modders MUST; no computer is complete without one. They are not just eye-candy they can be very versatile and can be made to be very informative; with the ability to display just about anything, from your CPU's temperature to what song you are listening to, to your name and address if you wish.

After salivating over the Crystalfontz 634 LCD, I finally decided to go ahead and get it. I ordered it on a Sunday and by the following Tuesday afternoon I had it in my hand. FedEx!

Before I got this LCD, I had no prior experience with LCD's, besides seeing them on the net; so I am giving you my first hand; first time experience with an LCD, from installing it, setting it up, and then using it.

Firstly even before I opened the box that the LCD was packaged in, there was a BRIGHT yellow warning sticker keeping the box closed, it read: "ATTENTION, Observe Precautions For Handling. Electrostatic Sensitive Devices."


As you can see above the yellow warning sticker.

As you can see there is another yellow warning sticker.


So I took heed and proceeded carefully.
Now when I opened the box I was a little surprised, I thought that the LCD would have been packaged a little differently, I thought it would have been in some soft of foam, but it was wrapped in bubble paper. I am not saying that it wasn't packaged properly because it was. With three layers of bubble wrap that LCD was going NO WHERE!

After unwrapping all those layers of bubble-wrap this is what I found:

1 - 4 Pack of screws
1 - Serial Cable (F - F)
1 - Power Connector (Molex - 3 Pin)
1 - LCD (20 x 4)
1 - Double Bay LCD Bracket


Above are the items included in the kit.
Screws, Cables, LCD & the Bracket.


Fortunately the LCD was already installed on the bracket by the staff at Crystalfontz, which was nice. The steel that the bracket is made of, in my opinion seems to be a little thicker than that used in a pc case construction, which in turn makes it very strong, and not very easy to bend. The LCD is secured to the bracket by 4 small bolts in each corner.

The LCD being reviewed has the following display features.
* White Edge LED Backlight
* STN Negative, Blue
* Transmissive 0 +50 deg C 6:00
This simply means that the text is white and the background is blue.

The bracket that comes with the kit has a light beige face, covered in matte finish.
On the lower left hand corner of the face there is a small Crystalfontz logo, as well as the company name. The LCD's screen is protected by a piece of clear plastic that is attached to the face of the bracket. So normal wear and tear should not do any harm whatsoever to the LCD's screen.


The following are a few of the features of the Crystalfontz 634 LCD.

634 Series Features:
  • Available with 634 PC Mounting Bracket
  • DB9 connector provided for simple RS-232 hookup
  • Large, easy to read characters: 7.3mm (0.287") character height
  • Available with bright, even, software adjustable LED backlighting or in a low-power reflective model
  • Software controlled contrast
  • "Gapless" horizontal bargraphs
  • Large number support in 3 and 4 character wide formats
  • Software controlled terminal style automatic scrolling and line wrapping
    Unique "Scrolling Marquee" feature continuously scrolls a message across the display without host intervention.
  • Low speed "SPI" (Fclk max=18KHz) and "Inverted TTL" RS-232 for embedded applications
  • Buffered communication
  • Single board construction--no connectors to fail
  • Large display area in a compact 130mm x 63mm (5.12" x 2.48")package
  • Thin:
    Reflective is 15.9mm (0.626") including DB-9 connector

    LED Backlit is 19.9mm (0.783") including DB-9 connector
  • Negative voltage for contrast generated on board
  • Extended voltage (9-15v) and 5v power inputs standard on all modules for the controller. Backlight is 5v only.
  • Low power: Non-backlight operation will self-power from the DTR and RTS lines of most serial ports.

 

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