9-2
1
Background
This document gives a brief overview of JLN-900 Speed Log menu
system and use.
2
Jumper settings
2.1 Boot mode selection with JP5
At reset a boot loading process starts up JLN-900 Speed Log. The log
boots from a Flash memory. With a jumper in position JP5, the log boots
into the normal operational mode. Without jumper in position JP5, the log
boot into the production test program.
2.2 Forced test mode with bottom tracking with JP4
When the log is running in normal operation mode and the jumper in
position JP5 is moved to position JP4, the log is forced into a test mode
with fix depth. The depth corresponds to the depth value entered in menu
T1.
This mode generates repetitive transmit patterns to facilitate oscilloscope
triggering during trouble shooting.
2.3 Baud rate setting with JP3
The 9-pin DSUB on the RECEIVER PCB can be set to two different
baud rates.
When the JP3 is ON the baud-rate is set to 4800, when OFF the baud rate
is 115200. When running e.g. SD4com on the DSUB the setting should
be 4800. The setting should be 115200 when running e.g. DrSal or
updating the software.
2.4 Watchdog activation via JP21
Watchdog is enabled via JP21. Remove jumper to disable watchdog. Set
jumper JP21 to position 1-2 to get reset pulses every 1.6 seconds. Set
jumper JP21 to default position 2-3 for normal operation.
3
Program update via WinFlash
Program update is possible from a PC running MS-windows. Set JP3 to
OFF, baud rate 115200. Connect the PC to the 9-pin DSUB and run the
program. Program update is usually not interfering with normal operation
except that changes to the menu system are not allowed via remote
operation. Always reset the RECEIVER PCB after updating the software,
by moving JP21 to position 1-2 for more than 1,6sec and then back to
position 2-3. It is also possible to reset by using the menu CPU reset in
the menu system, or power cycle the system.
Summary of Contents for JLN-900
Page 2: ......
Page 12: ...x This page is intentionally blank ...
Page 17: ...2 1 JLN 900 Technical Description ...
Page 23: ...2 7 sigbel ...
Page 30: ...2 14 This page is intentionally blank ...
Page 31: ...3 1 JLN 900 Technical Specification ...
Page 38: ...3 8 This page is intentionally blank ...
Page 39: ...4 1 JLN 900 Installation of Transducer and Bottom Parts ...
Page 59: ...4 21 Transducer and Valve Cover mounted Sea Valve fully opened ...
Page 63: ...4 25 Fig 1 3 Aligning Transducer Connecting Tube ...
Page 76: ...4 38 Mounting Sea Valve on Upper Flange DB ...
Page 81: ...4 43 Gasket Seal 2 ...
Page 83: ...4 45 Transducer and Valve Cover mounted Sea Valve fully opened ...
Page 86: ...4 48 Tube Bracket in its final position with Transducer flush seated ...
Page 88: ...4 50 Fig 2 5 Aligning Transducer Connecting Tube ...
Page 92: ...4 54 This page is intentionally blank ...
Page 93: ...5 1 JLN 900 Installation of NJC 80 Sig Processor ...
Page 150: ...6 50 This page is intentionally blank ...
Page 151: ...7 1 JLN 900 Display Technical Description ...
Page 167: ...7 17 No Name Default setting Function SD 4 2 SD 4 3 SD 4 4 there are remote systems connected ...
Page 179: ...8 1 JLN 900 Analog Display Technical Manual ...
Page 183: ...8 5 2 1 Main Dimensions NWW 828 Analog Display ...
Page 184: ...8 6 2 2 Dimmer Potentiometer connection Analog Display ...
Page 186: ...8 8 This page is intentionally blank ...
Page 187: ...9 1 JLN 900 Menu System ...
Page 208: ...9 22 This page is intentionally blank ...
Page 209: ...10 1 JLN 900 WATER TRACK Technical Manual including Menu system ...
Page 233: ...11 1 JLN 900 IEC 61162 NMEA 0183 User Guide ...
Page 254: ...11 22 This page is intentionally blank ...
Page 255: ...12 1 JLN 900 Harbour Acceptance Test ...
Page 266: ...12 12 This page is intentionally blank ...
Page 267: ...13 1 JLN 900 Calibration and Sea Acceptance Test ...
Page 280: ...13 14 This page is intentionally blank ...
Page 281: ...JLN 900 system drawings 14 1 ...
Page 289: ...CFT 780 4 TRANSDUCER 40m 14 9 ...
Page 290: ...NKF 980 Sea Valve 14 10 ...
Page 291: ...NKF 980 Sea Valve 14 11 ...
Page 292: ...NWW 82 MAIN DISPLAY 14 12 ...
Page 293: ...DISPLAY 3 1 87 14 13 ...
Page 294: ...NCM 1080 DIMMER UNIT 14 14 ...
Page 295: ...15 1 JLN 900 Description labels and drawings ...
Page 300: ...15 6 This page is intentionally blank ...
Page 301: ...16 1 Annex JLN 900 Speed Log System Manual ...
Page 302: ...16 2 Annex Table of contents ANNEX I EQUIPMENT RECYCLING 3 ANNEX II ENERGY SAVING 5 ...
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