Page 2 - Contents
DS41 Owner’s Manual DS41 Owner’s Manual DS41/HS/2G Contents Specifications ................................................................................................................. 2 Operation ......................................................................................................
Page 3 - Specifications; Horizon
DS41 Owner’s Manual 2 Specifications • Size Mount 2" (51mm) diameter hole Depth behind face plate 3.75" (95mm) max.Display 3-character LCD • Color Black with texture on bezel. • Backlighting Red colored diffused lighting for display. • Water Integrity Front will withstand direct water spray....
Page 4 - Operation; Alarms; Shallow Alarm; SAL
DS41 Owner’s Manual 3 Operation Whenever power is applied the depth sounderis active and water depth is displayed. If thesonar signal does not show a bottom the displaywill indicate “- -”. This can occur if the water isaerated or the maximum depth is exceeded.Note: The maximum depth decreases as boa...
Page 5 - Deep Alarm; dAL; Instrument Setup
DS41 Owner’s Manual 4 Deep Alarm To set the deep alarm: 1. Press the # key for three seconds. The display will show: dAL OFF OFF ON ^ V V 2. After two seconds the display will indicate the current Deep Alarm depth setting. 88 50 3. Use the " and # keys to change the value. If either key is held ...
Page 6 - Ft
DS41 Owner’s Manual 5 4. Use the " and # keys to change the value. If either key is held depressed formore than one second the reading willincrease or decrease rapidly. 5. The offset can be programmed in 0.1 unit steps from -9.9 ! 9.9 feet (or equivalent). When programmed for a negative offset, ...
Page 7 - Troubleshooting; Erratic readings while moored:; Erratic readings while moving:; Erratic readings only while engine is running:
DS41 Owner’s Manual 6 Troubleshooting No display: 1. Check DC power connections and DC polarity with voltmeter.2. Check fuse. No depth reading ( ## ## ## ## ## ) at all depths: 1. Check transducer for growth or multiple coats of paint.2. Check the transducer cable for cuts and sharp bends.3. Check t...
Page 8 - What comes with your Digital Depth Sounder; Standard
DS41 Owner’s Manual 7 What comes with your Digital Depth Sounder Standard Mounting Bracket ................................................................. With mounting hardware Extension Power Cord ......................... 6 feet long with quick-disconnect connectors Twist Lock Face Plate .........
Page 9 - Replacement Parts
DS41 Owner’s Manual 8 2.75" 2.125" 13° Note: All transducers come with 30 feet of cable. Replacement Parts The following par ts may be ordered from the Parts Depar tment. To order, call Toll-freeNumber: 1-800-487-2788. Square Face Plate ..........................................................
Page 10 - Installation; Face Plate Installation; Figure 1. Depth Sounder Dimensions
DS41 Owner’s Manual 9 Installation Face Plate Installation 1. To install a face plate: a) Attach the face plate to the front panel of the instrument. b) Twist the face plate clockwise until tight. 2. To remove face plate, twist it anticlockwise until loose and detach. Instrument Installation The ins...
Page 11 - Figure 2. Depth Sounder Installation; Figure 3. Side View of Mounted Depth Sounder; Mounting
DS41 Owner’s Manual 10 6. Connect the power cord at the back of the instrument to a 12 V power supply which isactive whenever the ignition switch is on.The red lead should be connected to thepositive terminal of the power supply via a1 amp fuse or a 1 amp circuit breaker. Theblack lead should be con...
Page 12 - Transducer Installation
DS41 Owner’s Manual 11 Transducer Installation Note: The installation of a transducer is a job for a professional boat yard that performs numerous installations. The following is an informational guide- line on the installation of transducers. General Correct installation of the transducer is essent...
Page 13 - Figure 6. Transom Mount Transducer Location; Figure 4. Sailboat Transducer; Figure 5. Powerboat Transducer
DS41 Owner’s Manual 12 Sailboats On sailboats, the transducer should be mountedwhere the acoustic beam will not be shaded bythe keel. A spot forward of the keel is usuallyb e s t . Tr y t o f i n d a n a c c e s s i bl e s p o t w i t h aminimum deadrise angle. See Figure 4. Powerboats On IO’s trans...
Page 15 - Master/Slave Selection; Appendix A – Dual Station Operation
DS41 Owner’s Manual 14 Multiple DS41 instruments can be installed on as i n g l e ve s s e l . T h e s e i n s t r u m e n t s c a n b econnected together and configured to operatein a dual station configuration. One instrument isdesignated as a master and all other instruments,connected to it, are ...
Page 16 - Linked or Separate Selection
DS41 Owner’s Manual 15 4. Continue to hold the # key until the display indicates the current linked/separate selection. Linked Separate 5. Use the " and # keys to change the selection. 6. To exit this mode, press and hold both the " and # keys simultaneously. Alternatively, if no keys are pr...
Page 17 - Appendix B – NMEA Repeater Mode
DS41 Owner’s Manual 16 The DS41 can be configured to operate as aNMEA repeater. In this mode it will display depthinformation from any depth sounder outputingDPT or DBT NMEA depth data (no other NMEAdepth sentences are supported). Notes: 1) The only information displayed from the DPT and DBT sentenc...