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3  vLocPro Receiver

3.6  Sensitivity Control

The  vLocPro  receiver  is  capable  of  locating  a  large  number  of  frequencies  or  frequency 
combinations. A list of these frequencies can be accessed using the setup menu. Most of these 

frequencies listed – you will never use – the setup menu allows you to select the frequencies you 

wish to use regularly. The frequency select pushbutton on the main receiver pad is used to toggle 

through the frequencies defined using the setup menu. The operating frequency will be shown at 

the lower right side of the display. You can change this selection at any time using the setup menu.

The initial frequencies set at the time the unit is supplied are “Power”, “Radio” and the frequencies 

used by the transmitter purchased. See the transmitter section for suggestions of which frequency 

is best suited to specific applications.

30 dB            512 Hz

69.5

3’7’’

512 Hz

640 Hz

8 kHz

33 kHz

65 kHz

200 kHz

3.7  Frequency  Selection

Pushbutton   Pushbutton

Pushbutton

To  select  the  frequencies  you  wish  to  use  regularly 

–  enter  the  setup  menu  by  pressing  and  holding  the 

“i”  pushbutton  for  2  seconds.  Use  the  “+”  and  “-”  to 

select the word “Frequency” – then press the “M” mode 

pushbutton to display the list of available frequencies.

The “+” and “-” pushbuttons are used to navigate the list of frequencies. To add a frequency to 
the “Frequently used list” press the “M” pushbutton and a dot will appear in the circle alongside 
the frequency. To deselect a frequency press the “M” pushbutton and the dot will disappear. Once 

your selection is completed press “i” pushbutton once to return to the setup menu, and again to 

exit the setup menu.

Up  &  down  pushbuttons  are  provided  to  increase  or  reduce  the 
sensitivity  of  the  receiver.  If  the  bar  graph  moves  towards  the 
minimum or maximum a single touch of the opposite pushbutton 

returns  it  to  approximately  60%  deflection  (i.e.  if  the  bar  graph 
goes  towards  the  minimum  –  press  the  “+”  pushbutton,  to  the 

maximum press the “-” pushbutton)

Holding down or repeated pushing of the “+” or “-” pushbuttons increments/decrements the gain.

Summary of Contents for vLocPro

Page 1: ...echargeable Batteries internal 2 Pushbutton Display 3 Impact Protection 4 Carbon Fiber Reinforced Antenna Assembly 5 Accessory Charging Sockets 6 Accessories Port 7 Mini USB Programming 8 Charging Socket 9 Model Serial 10 AA Battery Pack Removable 11 Impact Protection ...

Page 2: ...kaline Rechargeable Battery Status 4 Peak Signal Indication 5 Frequency 6 Location Mode Select 7 Gain Control increase gain 8 Information Depth Current Measurement 9 Gain Control reduce gain 10 On Off Control 11 Frequency Select 12 Compass Line Direction Indicator 13 Left vs Right Indication 14 db Gain Setting 15 Analogue Display of Signal Response 16 Bluetooth Icon 17 Continuous Depth Location Mo...

Page 3: ... displayed in the frequency box on the Main Display Setup Menu frequencies Continuos Info Depth Power Sound Modulated Modulated Active Sound Modulated Radio Sound 2 of 3 MENU Off Speaker Volume Backlight High Frequency Enter Meter Imp Metric English Language MENU 1 of 3 Locate Mode Enter Bluetooth Pairing Enter Enabled Bluetooth Search 3 of 3 MENU vLocPro Receiver Main Menu 3 vLocPro Receiver ...

Page 4: ... to blue when the receiver is in line with the buried line This is the most accurate of the locating modes as both antennas are used to provide a clearly identifiable Peak In 3 3 2 Broad Peak Mode This uses a single horizontal antenna and provides a Peak or maximum signal response over the center of the radiated signal from the buried line The compass line direction indicator shows the direction o...

Page 5: ...erent Peak pattern when locating along the direction of the Sonde instead of the usual single Peak the Sonde provides three distinct peaks a small Peak a large Peak a small Peak The Sonde is located under the center of the large Peak when located across the direction of the Sonde and it gives the conventional peak response Note that the Compass Line Indicator points across the line of the Sonde wh...

Page 6: ... used with sewer inspection cameras For using the compass feature to locate Sondes please refer to 7 1 3 3 4 Display These responses are shown on the display as Moving Bar graph Numeric value db value Directional arrows with Null response A range of different display modes will be available in 2009 3 5 Audio The visual display is also accompanied by an audio response The output level volume of thi...

Page 7: ...200 kHz 3 7 Frequency Selection Pushbutton Pushbutton Pushbutton To select the frequencies you wish to use regularly enter the setup menu by pressing and holding the i pushbutton for 2 seconds Use the and to select the word Frequency then press the M mode pushbutton to display the list of available frequencies The and pushbuttons are used to navigate the list of frequencies To add a frequency to t...

Page 8: ...n try again As described previously a second function performed by the is to access the SETUP menu Press and hold the Information Pushbutton for two seconds to display the SETUP menu Use the to navigate through the various options and use the M Mode pushbutton to select To exit the setup menu press the pushbutton The setup menu allows the user to configure their personal preference this menu can b...

Page 9: ...ies until they have no charges left The unit will then automatically switch over to the external alkaline batteries when this occurs The receiver has an internal rechargeable battery this will provide the power to the unit unless you connect an alkaline battery pack This allows the user to benefit from using rechargeable batteries but enables the use of alkaline batteries if for any reason the rec...

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