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Summary of Contents for LAVAL UNDERGROUND SURVEYS DW-1500
- Page 1 L A V A L U N D E R G R O U N D S U R V E Y S DW-1500/ DW-2000 OPERATION MANUAL LAVAL UNDERGROUND SURVEYS 2476 North Bundy Drive, Fresno Ca. 93727 Phone 559-251-1396 · Fax 559-251-2096...
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Page 2: Table Of Contents
Table of Content System Unpack and Check ..........................1 Operating Checklist ............................1 Before Starting Setup ..........................1 Connecting the Camera ..........................2 System Start Up ............................3 Tripod and Sheave Mounting ........................5 CAUTION/ATTENTION ........................... 6 Maintenance Instructions ..........................7 Description of Equipment.......................... -
Page 3: System Unpack And Check
System Unpack and Check Carefully unpack the shipment and check the unit for the following: 12 Volt Power Winch Power Control Cable Cable Cable BNC-RCA Cable Control Unit Tripod Sheave Tripod (Collapsed) Centering Bands (with Collars) Camera Winch Camera Case Optional Accessories (Sold Separately) See www.lavalparts.com... -
Page 4: Operating Checklist
Operating Checklist Before Starting Setup 1. Unpack the Winch (Figure 1 Item 1) and place the Winch on a stable surface, or bolt the frame to a secure platform using appropriately rated anchors. 2. Place Control Unit (Figure 1 Item 2) within 2 feet of the Winch on a flat secure surface. -
Page 5: Connecting The Camera
Figure 3 Figure 2 Connecting the Camera 1. Position the Winch Power Switch to OFF (Figure 2 Item 6). 2. Before connecting the Camera to the Cable head Connector (Figure 3 Item 1) inspect the O-rings in both connectors to be sure they are clear of debris or any contamination. Also check for any wear or damage. -
Page 6: System Start Up
Figure 4 System Start Up 1. Position the Camera Control Power Switch to ON (Figure 5 Item 3), on the Control Unit. Position the Winch Power Switch to ON (Figure 2 Item 6), on the Winch Motor Controller. 2. Turn on the LCD Monitor. While watching the Monitor to verify operation Switch between side and down view and adjust light intensity, with the VIEW-LIGHT Switch (Figure 5 Item 5). - Page 7 snapshot. Press ESC to stop and finalize the recording. (See Keyboard Functions Section on page 13) Figure 5...
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Page 8: Tripod And Sheave Mounting
Tripod and Sheave Mounting 1. Extend the three Tripod legs (Figure 6 Item 1) fully away from the center of the unit until it is in a stable position. The Sheave Assembly (Figure 6 Item 2) is mounted to the center eyebolt with the use of a Mounting Clip (Figure 6 Item 3). -
Page 9: Caution/Attention
CAUTION/ATTENTION 1. NEVER POINT THE DOWN HOLE OR SIDE VIEW CAMERAS DIRECTLY AT THE SUN EITHER WHILE ON OR OFF 2. DO NOT connect or disconnect the Camera with the Control Unit CAM CONTROL ON- OFF Switch ON (Figure 4 Item 2). 3. -
Page 10: Maintenance Instructions
Maintenance Instructions • Ensure the cable head is properly secured during transport and storage. • Regularly inspect the cable head o-ring condition and o-ring seal area for cleanliness. This area should be free of debris and lubricated as needed. • The cable head will experience normal wear during use and will need to be replaced at various intervals depending on care and usage. -
Page 11: Description Of Equipment
Description of Equipment Overall The DW-1500/ DW-2000 Color Video Water Well Inspection System is equipped with two cameras in a single housing, each with a wide-angle lens, for viewing down hole and side view images in water wells or boreholes. Low light level CCD sensors allow the cameras to detect images with minimal lighting power, as low as 1 LUX. - Page 12 Figure 7 Lower Centering Band Collar Centering Bands Thread Protector and Support Tube Upper Centering Band Collar Down View Lens Port Down View LED Lighting Port Glass Side View Lens and LED Lighting Port Camera Housing Set Screw for Centering Band Collar Screw for Centering Band...
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Page 13: Winch
Winch The custom Winch (Figure 8) supplied by Laval Underground Surveys (LUS) is manufactured for operating LUS video camera systems in water wells, boreholes, etc. The Winch is driven by a low speed, high torque electric motor (Figure 8 Item 1). Electric motor power sources for Winch operation are 115V or 220V AC 60/50 Hz (specified at time of order) or an AC generator. -
Page 14: Control Unit
NOTE: THE DW-1500/DW-2000 WINCH MUST BE SUPPLIED BY EITHER 115 VAC OR 220 VAC 60Hz/50 Hz. WINCH INPUT POWER VOLTAGE MUST BE SPECIFIED AT TIME OF ORDER. 12 VDC power is supplied to the control unit from the DW-1500/DW-2000 Winch 12 VDC output. - Page 15 Figure 9 12 VDC power input connector Camera VIEW-LIGHT Selector Video Signal output connection Switch to external Video input MENU and Depth counter reset Monitor Power cable CLEAR Switch Camera Function, Video, and Monitor function INC/DEC Depth Encoder connector Switch Camera and Control Unit Power Keyboard USB Input ON-OFF Switch...
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Page 16: Winch Motor Control Functions
Winch Motor Control Functions NOTE: THE WINCH CONTROLS ARE LOCATED ON THE DW-1500/DW-2000 WINCH. THE REEL CONTROL ON CONTROL UNIT WILL NOT OPERATE THE WINCH MOTOR The ON-OFF Switch (Figure 10 Item 6) routes power to the Motor Drive controls when switched to the ON position. -
Page 17: Adjustments
Adjustments Level-Wind Adjustment If cable windings become uneven, gapped, or bunched, the level-wind Counter-Sheave Assembly (Figure 11 Item 3) should be adjusted. The metal adjustment Knob (Figure 11 Item 1) on the end of the Level-Wind Lead Screw (Figure 11 Item 2) engages and disengages to move the Counter-Sheave Assembly back and forth. -
Page 18: Level-Wind Key Replacement
2. Remove the #6-32 socket head bolt (Figure 12 Item 4) that holds the Key to the Keeper. 3. Remove the worn brass Key. 4. Replace the worn brass Key with a duplicate new Key from Laval Underground Surveys. 5. Re-insert and tighten the 6-32 screw (Figure 12 Item 4) back into the new brass Key and Keeper. -
Page 19: Dvr Guide
DVR Guide The Digital Video Recorder (DVR) records video and audio to USB storage media and can capture snapshot images on-the-fly without interrupting recording. It has an internal real-time clock with battery backup that provides date and time information. Videos and snapshots are saved to a folder called DCIM on the USB devices. -
Page 20: Keyboard Functions
Keyboard Functions Function Enter or Space Bar Menu or OK Up Arrow Rewind Playback or Move Text Up Down Arrow Fast Forward Playback or Move Text Down ESC (Escape) Stop/Finalize Recording, Menu Back, or Playback Stop Record Start or Pause Recording Snapshot Mute or Unmute Microphone Pause Record or Playback... -
Page 21: Play Video
Play Video Play from internal Play from external If only the internal device is present, the files list from the internal device is displayed. File selection is made using the up and down arrow keys. Pressing Enter or Space starts playback. View Snapshots Behavior is similar to “Play video”... -
Page 22: File Management
Move Up, Move Down, Move Left, Move Right Allows the text to be moved on the screen. Secondary Overlay Allows selection of Title overlay, Coded overlay, Extra overlay, or off. Setup Title/Coded/Extra Overlay Edit Text Allows the user to edit the preloaded text Load Allows the user to edit text that has been saved. -
Page 23: Setup
Setup Set Date/Time This setting allows for setting up the battery backed-up real-time clock. The real-time clock is used to automatically generate file names for saved video files and snapshots. There is also an option of having the date/time overlay present in recorded video and snapshots. Video Video Standard Allows selecting between NTSC and PAL video formats. - Page 24 Save System Parameters Saves all the parameter settings to USB memory storage. Only use this option if you wish to change the factory settings from Laval Underground Surveys. Load System Parameters Loads all the parameter settings from USB memory storage. This option restores the DVR back to the saved settings.
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Page 25: Helpful Dvr Tips
Helpful DVR Tips • Press ESC to stop all recordings, playbacks, and to back out of menus. Pausing a recording and powering off will erase the unfinished recording. • A MAXIMUM VIDEO LENGTH OF 1.5 HOURS IS RECOMMENDED. • Turn the keyboard power off at the end of your use of the system to preserve longer battery life. •... -
Page 26: Counter Instructions
Counter Instructions In the normal operation mode after powering up the unit, the distance count is displayed on the screen along with the camera picture. The CLEAR switch (Figure 9 Item 8) clears the count to 0000.00ft (or 0000.000m). The MENU switch (Figure 9 Item 8) sequences through six on-screen modes as follows: Preset . -
Page 27: Standard Mode
Standard Mode The Standard mode allows the distance count unit of measurement to be either feet or meters. Standard INC: Feet DEC: Meters The INC switch (Figure 9 Item 9) selects the feet standard. The DEC switch (Figure 9 Item 9) selects the meters standard. NOTE: Standard Feet displayed distance is 4 whole digits with 2 decimal places (0000.00ft). -
Page 28: Status Mode
entered for a 5 pulse-per-revolution encoder. For a 100 pulse-per-revolution encoder a number of 400 would be entered. The INC switch (Figure 9 Item 9) increments the number by 10. The DEC switch (Figure 9 Item 9) decrements the number by 1. The CLEAR switch (Figure 9 Item 8) sets the number to 5. -
Page 29: Water Well Clarification
Particles are dislodged from the sidewalls by the passage of the camera, and the appearance on the screen or pictures is like being in a heavy snowstorm. Should you notice this occurrence contact Laval Underground Surveys regarding our line of well rehabilitation products, Boresaver. - Page 30 well field or common water strata shared with other wells, a particular time of the day when the other pumps are off. Sometimes you can shut off the entire field to achieve a static condition; or in an Artesian field, turn on all the other pumps to stop the muddy flow. •...
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Page 31: Trouble-Shooting
Trouble-Shooting PROBLEM POSSIBLE CAUSE REMEDY 1. Rebuild Cable Head with Cable Head 1. Damaged Cable Head Camera not Repair Kit working 2. Poor Cable Connections 2. Check all connecting cables properly, intermittently, 3. Low Power 3. Check power at Cable Head. or no power/functions 4. - Page 32 1. Rebuild Cable Head with Cable Head Repair 1. Damaged Cable Head Monitor has “No 2. Low Power 2. Check power at Cable Head. Signal” 3. Wrong Monitor Input 3. Ensure Monitor Input AV 1/Channel 1 is Selected selected from Monitor menu 4.
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Page 33: Warranty
LAVAL UNDERGROUND SURVEYS other than those set out in the immediately preceding paragraphs. All repairs shall be made by LAVAL UNDERGROUND SURVEYS at its factory or as otherwise authorized by LAVAL UNDERGROUND SURVEYS in writing. All unauthorized repairs will void warranties.
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