COLORADO NVVN621 User manual

instruction manual
model NVVN621
video tilted line generator
s/n_______________
april 2010

WARNING
This equipment generates, uses and can radiate radio frequency energy and if not installed and used in
accordance with the instruction manual, may cause interference to radio communications.
It has been tested and found to comply with the limits for a class A computing device pursuant to
subpart of J of part 15 of CC Rules, which are designed to provide reasonable protection against such
interference when operated in a commercial environment. Operation of this equipment in a residential
area is likely to cause interference in which case the user at his own expense will be required to take
whatever measures may be required to correct the interference.

TABLE OF CONTENTS
Section I GENERAL DESCRIPTION Page
1.1 Introduction 4
1.2 Purpose of Equipment 4
1.3 . Description of Equipment 4
1.4 Specifications 4
Section II OPERATING INSTRUCTIONS 5
2.1. Introduction 5
2.2 . Installation and Operation 5
2.3 . Operation 5
Section III WARRANTY 5

1 1 INTRODUCTION
This instruction manual is to be used as a guide to the installation, adjustment, operation
and maintenance of the Colorado Video Model 621 Tilted Line Generator.
1 2 PURPOSE OF EQUIPMENT
The Model 621 Video Tilted Line generator is used to generate lines on a television
screen. It allows rapid alignment of subject material with a predetermined location when used in
conjunction with a standard TV camera and monitor.
1 3 DESCRIPTION OF EQUIPMENT
The Model NVVN621 accepts composite video input, adds lines to the video and
provides a composite video output for display on a standard TV monitor. The position of the lines can
be varied over 90% of the raster width using the front panel controls. The parallel vertical lines can be
tilted up to 50 degrees from vertical.
1 4 SPECIFICATIONS
Size: 6.9"W x 4.9"L x 2.4"H sloping to 1.4"H
Mounting: Bench Top
Construction: Solid-state, SMT PC Board
Power: +5VDC, 1000mA regulated (+12VDC Optional)
Input Signal: Video, composite, 1 V p-p, 75 Ω
Output Signal: Video, composite, 1 V p-p, 75 Ω
Controls: Mode: Run/Setup/Hold to Save
Color: White/Black/Off
Line Position Knob (4)
Vertical Line Tilt Knob
Indicators: Run Mode (controls are locked when lit)
Setup Mode (controls are active when lit)
Connectors: Video In: BNC
Video Out: BNC
DC Power: Coaxial 5.5mm x 2.5mm, center pin positive

SECTION II
OPERATING INSTRUCTIONS
2 1 INTRODUCTION
This section contains the general operating instructions and procedures for the Model
NVVN621 Video Marker.
2.2. INSTALLATION AND OPERATION
Connect a camera or other source of a composite video signal to the “input” connector on the
rear of the NVVN621. Connect a composite video monitor to the “output” connector.
Connect the coaxial power input to a regulated 5VDC, >900mA, (12VDC for “Opt-12 models)
center pin positive power source. The “Run” LED should appear steady and the “Setup” LED should
flash for about ten seconds while the unit boots. About two seconds after booting, the unit should
function according to previously saved settings.
Run/Setup: The Video Line Generator can be toggled between two modes of operation by
means of the Run/Setup button. Push the button briefly to change modes. In the Run Mode, all other
controls are locked. Controls are active in the Setup Mode. Either mode can be used indefinitely.
Adjustment: The Video Line Generator superimposes four lines. Each line's position is
independently adjustable. The two vertical lines can be tilted about a pivot point at the bottom of the
display.
To adjust the characteristics of the lines, place the Video Line Generator in “Setup” mode by
pressing the “Run/Setup” button until the “Setup” LED is illuminated.
The horizontal or vertical positions of the lines can be individually set by turning one of the
position knobs.
The lines can be set to black, white, or off by pressing the “Color” button to step through the
available colors until the desired color is displayed.
Vertical Lines can be tilted. Turn the tilt knob to obtain the desired angle.
The unit can be left indefinitely in the “Setup” mode to allow the controls to remain active. Use
the “Run/Setup” button to toggle to “run” mode in order to make the controls inactive.
Settings can be saved in order to preserve them while power is absent. While the unit is in
“setup” mode, press and hold the “Run/Setup” button. Release the button once the “Setup” LED has
extinguished. Settings will be saved until this process is repeated for new settings.

warranty
Colorado Video, Incorporated warrants the equipment of its manufacture to be free of defects in
material and/or workmanship under normal use and service. Colorado Video, Incorporated’s obligation
under this warranty is limited to making good at its laboratories any part or parts thereof , which shall
within one (1) year after delivery to the original purchaser be returned to Colorado Video, Incorporated
at its laboratories, with transportation charges prepaid, and which Colorado Video, Incorporated’s
examination shall disclose to its satisfaction to have been defective.
This warranty is expressly in lieu of all other warranties and representation, express or implied, and of
all other obligations or liabilities on the part of Colorado Video, Incorporated. In no event shall
Colorado Video, Incorporated be liable for damages of any kind connected with the use of its
equipment or its failure to function properly.
This warranty shall not apply to any equipment which shall have been repaired or altered outside of
Colorado Video, Incorporated’s laboratories so as to, in Colorado Video, Incorporated’s judgment,
affect its use, function, reliability, or which shall have been subject to misuse, alteration, improper
installation, negligence, or accident.
Before any equipment is returned to Colorado Video, Incorporated for repairs or adjustments, shipping
instructions should be obtained from Colorado Video, Incorporated. Colorado Video, Incorporated
assumes no responsibility for unauthorized returns.