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ONLINE ELECTRONICS LTD 

2405_5001_A01 

Page 11 of 14 

3.5.4.

 

LEDS ON / LEDS OFF 

 
This item will toggle the LEDs ON or OFF. If the LEDs are ON then they will flash on receipt of a 
distinct pulse otherwise they will remain OFF. 
 
3.5.5.

 

CONFIGURE 

 
This item brings up a second menu which has numerous system level variables which should 
not  be  modified.  Any  modifications  made  in  the  CONFIGURE  menu  should  only  be  done  in 
conjunction  with  instruction  from  Online  Electronics  personnel.  The  FACTORY  RESET  OPTION 
can be selected at any time to ensure the unit is using the factory default settings which are 
adequate for the majority of situations. 
 
3.5.6.

 

SHUTDOWN 

 
This  item  switches  the  unit  OFF.  The  unit  is  fitted  with  non-volatile  memory  which  will 
remember  all  settings  made  via  the  menu  system  next  time  the  unit  is  switched  ON.  It  is 
imperative  that  the  2405  unit  is  turned  OFF  using  this  command  rather  than  simply 
disconnecting the battery so any memory storage processes are allowed to terminate prior to 
turning OFF.  

 
 
 
 
 
 
 
 
 
 
 
 
 
 

Содержание 2405

Страница 1: ...n Road Blackburn Aberdeen AB21 0PS UK 44 0 1224 714 714 www online electronics com sales online electronics com ACOUSTIC RECEIVER SELF CONTAINED ROV HELD OPERATING MANUAL The 2405 is a standalone battery powered acoustic receiver system which can be used by an ROV for tracking and locating underwater acoustic pingers ...

Страница 2: ...001 Checked IF APPLICABLE Date IF APPLICABLE Approved Date Rev Date By Summary of change A00 11 08 17 BG CR00485 Was 2405 ROV ACOUSTIC RECEIVER MANUAL RevA12 CR00380 Address change CR00499 Front cover update A01 06 10 17 BG CR00499 Cover page update COMMENTS ...

Страница 3: ...7 3 3 TURNING ON 8 3 4 OPERATING SCREEN 9 3 5 SINGLE BUTTON MENU INTERFACE 10 3 5 1 EXIT 10 3 5 2 MANUAL MODE AGC MODE 10 3 5 3 SET TIME DATE 10 3 5 4 LEDS ON LEDS OFF 11 3 5 5 CONFIGURE 11 3 5 6 SHUTDOWN 11 4 MAINTENANCE 12 4 1 BATTERY REPLACEMENT 12 4 2 2405 O RING REPLACEMENT 13 4 3 ROUTINE MAINTENANCE AND STORAGE 13 5 DISPOSAL OF UNIT 14 6 WARRANTY 14 ...

Страница 4: ...are displayed as they are received by the 2405 unit on a 2 7 graphical display and three high brightness LEDs positioned below the display The 2405 system requires no interface other than an ROV camera to observe the received signals on the display The user can turn the unit ON and OFF as well as modify several settings using a single control button and intuitive menu system on the 2405 unit The d...

Страница 5: ...AINLESS STEEL Fishtail bracket material 316 STAINLESS STEEL 2405 Housing material ALLOY BRONZE CA104 EN 12163 2405 Endcap material ALLOY BRONZE CA104 EN 12163 2405 Bleedscrew material ALLOY BRONZE CA104 EN 12163 2405 Window material ACRYLIC 2405 Endcap O rings 2x BS 50 243 NBR70 with 2x 250 243 PTFE BURs 2405 Window O rings 1x BS 50 236 NBR70 1x BS 50 237 NBR70 2405 Bleedscrew O ring 1x BS 50 008 ...

Страница 6: ...ably it can be positioned in several different positions on the fishtail bracket as required 4 Use the control button to select the expected frequency of the acoustic transmitter 5 It is recommended that AGC gain is selected as per section 3 5 2 MANUAL MODE AGC MODE 6 Select a timebase which will display approximately 5 pulses at the expected repetition rate on the screen as per section 3 4 OPERAT...

Страница 7: ...mebase and gain settings entered prior to entering TEST MODE will be saved 3 2 FUNCTION TEST 1 Turn the 2405 ON as described in section 3 3 TURNING ON 2 Ensure the 2405 is in PINGER MODE with AGC gain as per section 3 4 OPERATING SCREEN 3 Activate a test transmitter of known frequency and repetition rate within range of the 2401 hydrophone A range of approximately 5cm should be used if in air 4 Se...

Страница 8: ... bottom of the screen in vXX format This screen will be displayed for 5 seconds as shown by the COUNTDOWN INDICATOR at the bottom left corner of the display When the COUNTDOWN INDICATOR reaches zero or the control button is pressed the next screen will appear The next screen shows the TIME DATE see section 3 5 3 SET TIME DATE for more information The unit now completes an INTERNAL CHECK of functio...

Страница 9: ...igure the receiver frequency between 8kHz and 50kHz when selected TIMEBASE Allows the operator to set the timebase width of the screen between 3secs and 50secs when selected As shown if the timebase is set to 10 seconds and a pulse is received every 2 seconds then you would expect to see approximately 5 evenly spaced pulses on the screen GAIN If MANUAL gain is selected then this value will have fo...

Страница 10: ...EEN 3 5 2 MANUAL MODE AGC MODE This item toggles between AGC MODE Automatic Gain Control and MANUAL MODE gain control It is recommended that AGC mode is used during most deployments although in environments where the background noise level is unstable it can be advantageous to use MANUAL MODE to prevent the AGC constantly changing gain in response to variations in background noise levels See secti...

Страница 11: ...e in conjunction with instruction from Online Electronics personnel The FACTORY RESET OPTION can be selected at any time to ensure the unit is using the factory default settings which are adequate for the majority of situations 3 5 6 SHUTDOWN This item switches the unit OFF The unit is fitted with non volatile memory which will remember all settings made via the menu system next time the unit is s...

Страница 12: ...ng and detaching the cable connections at the 2405 and 2401 and feeding the cable through the forward hole in the mounting plate so that the mounting plate can be removed without damaging the cable 2 Remove the 4x M8 CAP screws that secure the mounting plate to the frame and remove the mounting plate with 2405 unit and 2401 hydrophone attached being careful not to damage the cable 3 Remove the 2x ...

Страница 13: ...e include an internal O ring and BUR Back Up Ring positioned as shown Look into each half of the connector and confirm that the O ring and BUR are in position and are undamaged If these seals are missing or damaged then the system may malfunction when deployed subsea 4 2 2405 O RING REPLACEMENT The 2405 uses the following O rings 1x 50 008 groove in piston bleedscrew O ring 2x 50 243 groove in pis...

Страница 14: ...g a new product you will have the possibility to return free of charge another end of life product of equivalent type that has fulfilled the same functions as the supplied equipment These items may be deposited at Online Electronics Ltd Online House Woodburn Road Blackburn Business Park Blackburn Aberdeen AB21 0PS UK Alternatively to arrange a collection of any waste electrical equipment obligated...

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