SIGNETMARINE SL 172 Instruction Manual 2315 1/2 Artesia Blvd. Redondo Beach, CA 90278 Ph. (310) 320-4349 FAX (310) 320-5026 www.signetmarine.com service@signetmarine.
TABLE OF CON'IENTS r. Introduction. II . Installation. ·· .. ·········1 . . . III. Operation. ... . ·· .... ······8 . . IV. Preventative l\-Iaintenance..... V. 3 11 12 Accessories and Spare Parts.. 12 VI. Warranty Statement. .. Appendix I Specifications Appendix II Trouble Shooting Chart.. . 13 . . 15 FIGURES . Figure 1 Instrument Display Dimensions.. 1 Figure 2 Mushroom Transducer Dimensions 2 . Figure 3 Ccntents. ii. Figure 4 Transducer Installation Locations.. .
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II INSTALLATION This section contains unpacking and installation instructions for the Signet /IIK.172 Depthsounder System, UNPACKING AND INSPECTION I-- ",---I ., lll-n rn FA ( I ~ 3.D5" ~, 3.40" The MKl72 systems are shipped in special containers designed 1(1 provide full protection under nonnal transit conditions. Immediately upan receipt, the shipping container should be inspected for evidence of possible damage incurred in transit.
NOTE If hull thickness is less than 314 inch, a backing plate should be used on inside of hull at transducer location. .. b. o. .. d. f. , Remove boat from water. Select location On center line, forward of keel in area of minimum water turbulence. Transducer should be at least 18 inches from keeL Allow minimum 5-inch clearance radius for acce.sability inside hull. Drill 3I8-inch diameter pilot hole through huH (and backing plate, if used). Cut 1.7f8-inch hole through hull.
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INITIALIZATION lnslmml'ntllndkalor InstallatioD When no power is applied, the LCD indicator is blank. When power i. applied, the MKl72 goes through an initializing routine that may take from Bfew seconds to as long as a half a minute to complete, depending on water depth when initializing is begun. During initialization, all LCD segments are displayed in the Built·in Test (BIT) mode while the microprocessor is determining bottom depth, and the LCD indicates 18.8.
FORWARD·LOOKlNG ALARM IV. PREVENTATIVE MAINTENANCE Thc micropf'OCUIO••utom.tit.lIy compuus the slope trend of the s.. bott.om whilc thc vusel is underw.y. The forward lookinlJ .I.rm lutom.tie-lly sounds when the MKl72 system senses the proximity of sho.linl( conditions Ipprosim.tely 20 lecondl before the Yellel would rcach the shoal (run aliTound). PTllventatlva m.inten.nct il care and c1nninl(. The MK172 Iylt,m contalnl two di5Crete m.jor componentl: tranlducer with attached inter<:onneet cabll.
\'. ACCESSORIES AND SPARE PARTS , l1
APPENDIX 2 TROUBLE SHOOTING CHART APPENDIX 1 SYMPTOM ?ROOABLE CAUSE RECClMMEt-DED REMEDY No dIsplay andlor display nol back lighted. 12 vee nol comecled Connect 12 VOC I 2 VOC conl\Kllons "versed Cofrect 12 voe conneclion; red 10 black. black 10 black. Open or short cirCUli In power cable. Check power cable condition. AemoVl' and repalee derective power cable. Jf cable wom or abraded. rerOlllS or replace cable. SPECIFICATIONS (CO~.l ~lE.I'.ER DESCRiptION ALARM Location Loudne..
~ APPENDIX 2 TROUBLE SHOOTING CHART (CONT.) SYMPTOM PACeABLf CAUSE Display indication All above symploms.~ AECaAMENDEO REMEDY causes continuously or Interminently corrected, Damaged or dere<:!;"'ll Instrumenlsllndlcalof ,Itenonles. wrong and/or audible annunciator producing wrong signals or no signals. Cradl or break In glass trool cover or Water Inside instrument( In housing. Indicator housing. 1lI Return ;nstrumenVindicator component to nearest authorized dealer, or \0 factory.
