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McLaughlin Vision GX2 Operation Manual

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Summary of Contents for McLaughlin Vision GX2

  • Page 1 ○...

  • Page 2: Table Of Contents

    Table of Contents 1. Safety 2. Introduction 3. Composition 3-1. Main equipment & standard accessories 3-2. Optional equipment 4. Specification 5. Description of parts & basic operation 5-1. Transmitter 5-2. Receiver 6. Warning Message 7. Operation of Transmitter (TX) 7-1. Direct connection mode 7-2.

  • Page 3: Safety

    1. SAFETY Always locate with proper respect and caution. Equipment misuse or carelessness can result in serious injury or damage to property. Always follow safety rules. HAZARD ALERT INFORMATION BE AWARE OF SAFETY INFORMATION This is a safety-alert sign. This is placed in the manual and on your equipment to alert you to the potential for bodily injury or death.
  • Page 4 DANGER : High Voltage. Cutting high voltage cable can cause DEATH or ELECTROCUTION. Expose lines by a non-destructive means before excavating. DANGER : Traffic Hazards can result in death or serious injury. Avoid moving Vehicles. Wear high-visibility clothing. WARNING : Buried lines. Always confirm your depth estimate by exposing target line by a non-destructive means.

  • Page 5: Introduction

    2. Introduction This equipment is the high performance digital measurement equipment to measure the location and the depth of buried cable / metal pipe from the ground. By adopting the most recent microcomputer technology, the digital correction of the measurement data realizes stable and high precious measurement. - Principle measurement method - When current flows through a buried cable/pipe, an alternating magnetic field is generated around it.

  • Page 6: Composition

    3. Composition 3-1. Main equipment & standard accessories Description Q’ty Remark Transmitter Unit Used as a signal generator. Receiver Unit Digital locator Accessories 38kHz External coil Used for External coil mode Connecting cable Used for Direct connection mode Ground rod Used for Direct connection mode Operating manual English version...

  • Page 7: Specification

    4. Specification Transmitter(TX) Output frequencies 38kHz :38kHz±0.02% (Standard frequency) 9.5kHz :9.5kHz±0.02% 80kHz :78.125kHz ±0.02% :853.33Hz ±0.02% 853Hz 640Hz :640Hz ±0.02% :512Hz ±0.02% 512Hz 9.5kHz &38kHz ±0.02% Dual : Direct mode : Inductive mode (1) 38kHz &80kHz ±0.02% : Inductive mode (2) 9.5kHz &80kHz ±0.02% Output power 7 watts maximum / 80kHz: 1 watts maximum Operating Modes...
  • Page 8 Receiver (RX) : 38 kHz ±2% Active Frequencies 38 kHz 9.5 kHz : 9.5 kHz ±2% : 80 kHz ±2% 80 kHz 512Hz : 512 Hz ±2% : Low frequency(200Hz to 1000Hz) --- factory configurable Passive Radio : 9 k to 33 kHz (80 bands) Passive Power : 45~65 Hz 120 Hz...

  • Page 9: Description Of Parts & Basic Operation

    5. Description of parts & basic operation 5-1. Transmitter Battery compartment Touch pad LCD Window DC input 12-pin connector 1) LCD window Bar-graph (Output power) Backlight On / Off Output Power,/ Measurement value Sound On / Off Frequency Battery indication Transmitting mode 2) Key function Power ON / OFF...
  • Page 10 Light On/Off set : Press Key. Light On Light Off Mode Sound set : Press Key. : Sound on. : Transmitter sound off. Function sound on. : Sound off. Press and hold for 2 seconds. Note : The last setting is memorized after the unit is Turned OFF Transmitter sound: Beep…(15sec.)…..Beep…(15sec)…Beep 3) 12-pin connector...

  • Page 11: Receiver

    Bar-graph 5-2. Receiver Gain setting value Real time depth Receiving sensitivity Measuring Mode Frequency Battery compartment Battery indication FREQUENCY PEAK/NULL Earphone plug POWER MODE PC interface connector DEPTH GAIN Sensor connector Signal input terminal) 1)Key function Power ON / OFF *Power save function: Automatically powers off after 5~30 minutes of inactivity.
  • Page 12 Selects operating frequency. 9.5kHz LF * 512Hz 80kHz 38kHz 120Hz FREQUENCY * LF : Low frequency (200~1000Hz). Factory configurable Various settings 1. Selects backlight options. By pressing Mode , continue on. LITE On MODE Press ▼Gain : Select backlight On / Off. LITE OFF 2.
  • Page 13 Setting the Time and Date Power on while holding Mode , wait for clock display appears. The year will flash. MODE Press ▼Gain to advance the year or ▲Log to decrease the year. b) Press Mode , the month will flash. Press ▼Gain to advance the month or ▲Log to decrease the month.

  • Page 14: Warning Message

    6. Warning Message *Messages during your search procedure : Receiving signal is too high. OVER a) Indirect mode : Transmitter and Receiver are too close each other. b) Other options: Reduce output of the Transmitter. Receiving signal is too weak or not present. a) In the case of direct, induction or coil...

  • Page 15: Operation Of Transmitter (Tx)

    7. Operation of Transmitter (TX) Mode of Detection Purpose of usage This is the best way to inject AC current directly to the target Direct Connection Mode line. Signal (AC current) will return to the Transmitter through the ground. Transmitter Red clip Black clip Ground...

  • Page 16: Direct Connection Mode

    7-1. Direct connection mode A specific route can be detected in Direct Connection mode. Use two connecting cables provided in the carrying case as one of the standard accessories. When the clips are connected to the transmitter, Direct Connection mode automatically selected. This groove is facing up.
  • Page 17 heck the Voltage and Resistance of the cable/pipe before adjust output power. Telephone line, Gas pipe Power line Press Measure key. AC volts DC volts Resistance DANGER When voltage is greater than 25 volts, Alarm sounds. ELECTRIC SHOCK Note: 512Hz / 640Hz output is cut off automatically. Death or serious injury will result.
  • Page 18 Direct Connection mode Use the Receiver 5m / 16ft. away from the transmitter and clips. 5m / 16ft. away Applications (1) WARNING Power cable House meter Do not disconnect Power cable: power line Disconnect other utilities that maybe connected to the common ground lead and connect the Red clip to Power line ground lead.

  • Page 19: External Coil Mode

    7-2. External coil mode Use 9.5 kHz, 38 kHz or 80kHz External coil supplied as an option. Use this mode if object is accessible. An induced current, generated by the coil in the External Coil attachment, is applied directly to the exposed part of the cable / pipe to be located.
  • Page 20 External coil mode Make sure that the cable is grounded at both ends. Do not put the coil close to or around the ending or middle ground. Unmeasurable Signal to ground Intermediate ground will not trace. * If the cable is submerged in water, you can use the coil attachment in the water. The coil attachment is WATERPROOF.

  • Page 21: Indirect (Inductive) Mode

    7-3. Indirect (Inductive) mode If there is not direct access to the object line, the Transmitter can apply AC current ( signal ) to the line directly below the Transmitter. Note: When using the indirect mode, set the depth mode of the receiver to 0-5m (0-16ft.) . When nothing is connected to the transmitter, Indirect mode automatically selected.
  • Page 22 Indirect mode Adjust output power Indicate output power with the bar - graph and the numerical value when pressing key. Increase power Reduce power *Standard of adjustment. - When depth is less than 0.6m / 2ft. Þ 50% - When depth is more than 0.6m / 2ft., less than 1.5m / 5ft.Þ 75% - When depth is more than 1.5m / 5ft.Þ...

  • Page 23: Operation Of Receiver (Rx)

    8. Operation of Receiver (RX) Tutorial Basic of the measurement. Move the Receiver from side to side to determine Hold the Receiver perpendicular to the ground. the exact position. Use the DIGITAL LEVEL. Pinpoint the Do not swing like this. position.

  • Page 24: Peak & Null Mode

    8-1. Peak & Null mode Starting Peak & Null Mode To find the direction of the object line, using the Yaw Angle Display. Direction of the buried cable. Select peak & null Press PEAK / NULL key. Yaw Angle Gain setting value Yaw Angle Real time depth Direction of...

  • Page 25: Null Mode

    8-2. Null mode Starting Null Mode To find the direction of the object line, using the Yaw Angle Display Direction of the buried cable. Select null Press PEAK / NULL key. Yaw angle Gain setting value Yaw angle Real time depth The direction of the object line.

  • Page 26: Depth Measurement (High Precision)

    8-4. Depth measurement (High precision) Once the precise location of the object line has been determined, the Depth key is pressed to display the distance from the Receiver's blade to the object line. Calculations are indicated on the digital display. Note: Depth reading is a calculation of received signal strength.

  • Page 27: Logging Data

    8-5. Logging Data Indicate the Logging data Backlight setting screen appears. 1) Press Mode key. The data recorded at Depth Data 2) Press and hold LOG Data number the end is indicated. for one second. 3) Press - Increase data number. Press - Decrease data number 4) Two seconds after data is displayed., its stored date and hour is displayed automatically in order.

  • Page 28: Current Index (Current Measurement)

    8-6. Current index (Current measurement) Each time a Depth calculation is taken, a Current Index simultaneously appears on the display. What’s the Current index? Depth : 2.00m 1.0mA Current Index : Depth : 1.75m 1.5mA Current Index : 1.80m Depth : 1.90m 0.7mA 0.7mA Current Index :2.0mA...
  • Page 29 The Current index helps to confirm the line's identity. If an adjacent line is running parallel with the object line. Depth: 0.50m Depth: 1.50m Current index: 1.0 mA Current index: 2.0 mA Receiving sensitivity 1.5m 0.5m Line: A Line: B The line with the highest current index is the object line into which the signal is being broadcast.

  • Page 30: Passive Mode

    8-7. PASSIVE MODE The Power and Radio passive modes of the Receiver are used to search an area for unknown power cables and other utility lines, without using the Transmitter. Frequency setting Press Frequency key. Power mode: Power mode detects 50/60 Hz or 100/120Hz frequency radiated by the live power cable. 50Hz / 60Hz : select POW 100Hz / 120Hz : select 120Hz .
  • Page 31 Decide the place of the starting point. Press Gain , locate that circumference. When street light is Streetlight lighting, 50 / 60Hz is available. Place the Receiver Power / telephone close to the cable riser. RAD auto search is manhole effective.

  • Page 32: Probe For Non-Metallic Pipe

    8-8. Probe for non-metallic pipe A Probe, supplied as optional equipment, is a small waterproof transmitter emitting a signal that is traced by the Receiver. The Probe can only be used in the non-metallic pipe. Note : The metal pipe conceals a signal so that the Receiver cannot detect the signal. Use Direct connection mode. Battery check a) Set the rotary select switch to BATT.
  • Page 33 Tracing a non-metallic drain or plastic pipe with the Probe. Ex. Feed the Probe into the PVC pipe and locate the blockage or collapse Receiver Þ Press Frequency key to set the same frequency of the probe. Set the detection mode to Probe mode. “No icon”...

  • Page 34: Precautions And Applications (At The Locating Site)

    9. Precautions and applications (At the locating site) 1) Locating Work Near the Guardrail (In Indirect mode) Locating with the Receiver next to the guardrail will give an incorrect reading. Object line Locate just between the breaks of the guardrails. 2) Metal Fences or Other Metallic Structures Footbridge Metal fence...
  • Page 35 3) Street Light, Traffic-Control Sign The transmitter can be placed next to the pole. Keep more than Keep more than 1m / 3.4ft away 1m / 3.4ft away 4) Power-Transmission Tower There is no interference Keep more than from Power lines above. 10m / 30ft away 5)Telephone / Electric Power Poles Keep more than...
  • Page 36 ) Heavy Traffic Flow OK ! Keep the receiver more than 2m/7ft away Locate when traffic has passed. OK ! Within 1m / 3.4ft 7) Railroads Stop locating when a train is approaching Stop! Keep the receiver more OK ! than 2m/7ft away - 34 -...
  • Page 37 Call & Contact TAKACHIHO SANGYO CO., LTD. Tokyo office 19-6, 5-Chome, Shiba, Minato-Ku, Tokyo 108-0014 TEL 81-3-3453-4778 Head office & Factory in Nagoya, Japan 2016.4 832-080...

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