NAVMAN
DEPTH
NAVMAN
Contents
Specifications .................................................................................................................4
Installation ......................................................................................................................5
Location .....................................................................................................................5
Mounting ....................................................................................................................5
Wiring Connection ..................................................................................................... 6
Multiple Instruments ................................................................................................... 6
Operation ........................................................................................................................ 7
Select Units................................................................................................................ 7
Backlighting On / Off ..................................................................................................7
Depth Alarm On / Off ..................................................................................................7
Setting Alarms ............................................................................................................ 8
Set Shallow Alarm ..................................................................................................... 8
Set Deep Alarm ..........................................................................................................8
Secondary Functions .....................................................................................................9
Set Display Dampening ............................................................................................. 9
Keel Offset..................................................................................................................9
Simulation Mode ........................................................................................................ 9
Troubleshooting Chart .................................................................................................10
D100/ENG/1C
3NAVMAN D100 User Manual
Specifications
• Power supply
10.7 to 16.6 VDC 15 mA nominal, 35mA
with backlight on.
• Operating temperature
0°C to 45°C.
• Size of display
112 x 112 x 20mm (4.4 x 4.4 x 1”). Overall
depth 35mm (1.4”) behind panel.
• Display type
Twisted Nematic (TN) grey background,
0°C to +70°C.
• Illumination
Red LED switchable from front panel.
• RF Interference
Less than 6 dB maximum quieting on any
marine radio channel with 3 dB gain antenna
within 1 metre of instrument display head
(European EC specifications).
• Depth
1 to 130 metres, 0.5 to 67 fathoms or 3 to
400ft.
• Alarms
Shallow and deep water. Audio and LCD
flag.
• Display unit selection
Feet, metres or fathoms, keypad
selectable.
• Display Damping
Three levels keypad selectable.
• Keel Offset
Keel or waterline, ±9.9 ft, ±1.6 fathoms or
±3.0 metres, user resettable.
• Trend Indication
Arrows indicate increasing or decreasing
depth trend.
• NMEA Outputs
DPT, DBT.
• Proprietary Outputs
Alarm and Trend arrows.
• Transducer
200 kHz, 600 ohm, 1500pF parallel
capacitance.
Display is backlit for
Night Operation
FEET MTRS FATH SHALLOW DEEP
Indicate depth units
Alarm On/Off
Change Value Down
4 NAVMAN D100 User Manual
DEPTH
Depth is decreasing
Indicates alarm is on
Depth is decreasing
Deep Alarm
Set/Indicator
Shallow Alarm
Set/Indicator
Change Value Up
Installation
Location
The NAVMAN D100 is designed for above or
below deck installation. Select a position that is:
• At least 300mm from a compass
• At least 500mm from any radio
• Easy to read by the helmsman and crew
• Protected from physical damage
• Accessible to electrical cable connections
56mm
(2.2”)
4.5mm
(1.75”)
Mounting
The mounting surface must be flat. Use the
template to set the centre of the fixing hole.
• Drill a 32mm (1.25”) diameter mounting hole
through the bulkhead.
• Remove the fixing nut. Peel the protective
paper off the foam gasket and attach the
gasket to the rear of the instrument.
• Insert the instrument through the bulkhead.
Hand tighten the nut and then finally tighten
with a spanner. Do not over tighten so that
the water sealing ability of the gasket is
damaged.
24mm
(1”)
35mm
(1.4”)
30mm
(1.2”)
112mm
(4.4”)
112mm
(4.4”)
5NAVMAN D100 User Manual
Wiring Connection
• Keep electrical and transducer cables away
from alternator or other noise generating
electrical cables. Avoid connecting the
instrument to power circuits that share
loads with ignition, alternators, inverters and
radio transmitters. Electrical power supply
connections should always be as short as
possible.
• Connect the red wire to the positive supply
via a 1 amp fuse or a 1 amp circuit breaker.
Connect the black wire to the electrical
ground. A 1 amp fuse will provide protection
for up to five 100 series instruments.
• Connect the RCA phono connector to the
depth transducer cable connector. Do not
cut or shorten the depth transducer cable.
Extension cables are available if the
transducer cable is too short.
• If you are not using a repeater or you do
not intend to provide NMEA data to another
instrument then insulate the bare wire end
of the blue cable.
Phono
Plug &
Socket
Red
Black
Blue
1A Fuse
NMEA output to repeater
+12 VDC
Ground
Depth
Transducer
Multiple Instruments
The NAVMAN D100 may be used as an individual
instrument or connected with a number of other
100 series instruments to the 100 series
repeater or to other instruments accepting
NMEA 0183 data.
6 NAVMAN D100 User Manual
Operation
Select Units
Use the or key to cycle through the
units of measure of feet, metres and fathoms.
FEET MTRS
FATH
Backlighting On / Off
FEET MTRS
Simultaneously press the
turn the backlight on. Repeat this procedure to
turn the lighting off.
FATH
and keys to
Depth Alarm On / Off
Press the key to turn the alarm on or off. The
bell symbol indicates the alarm is on. The bell will
flash when the alarm is activated.
MTRS
MTRS
FEET MTRS FATH SHALLOW DEEP
FEET MTRS FATH SHALLOW DEEP
7NAVMAN D100 User Manual
Setting Alarms
The shallow water alarm sounds when the depth
falls below the selected value. The deep water
alarm sounds when the depth exceeds the
selected value. When the alarm is activated the
beeper will sound continuously and the bell
alarm symbol will flash.
Set Shallow Alarm
MTRS SHALLOW
Use the and keys to set alarm value.
Press the
key to exit.
Set Deep Alarm
MTRS DEEP
Use the and keys to set alarm value.
Press the
8 NAVMAN D100 User Manual
key to exit.
Secondary Functions
Set Display Dampening
Rough water conditions, schools of fish and
thermal layers cause erratic depth readings.
Display dampening controls the rate that the
displayed depth can change and will help remove
these variations. There are three levels of
dampening with d1 having the least effect and
d3 having the greatest effect. When operating in
shallow water or at high speed it is best to use a
low level of dampening.
Press and hold the
seconds.
Use the and keys to set the required
value.
and keys for 3
3 SECS
Keel Offset
The NAVMAN D100 will normally display the
depth of water below the face of the transducer.
You may introduce a keel offset to reduce the
displayed depth or a waterline offset to increase
the displayed depth.
While in the
the
Use the and keys to set the required
value.
Display Dampening
and keys.
mode, press
When correct value is displayed, press the
key to exit.
When correct value is displayed, press the
key to exit.
Simulation Mode
The NAVMAN D100 has a simulation mode.
To enter this mode hold down the key and
then switch on the power. The instrument will
remain in this mode even when power is
switched off.
Repeat this procedure to exit simulation mode.
Note:
Settings that are made while in
simulation mode will remain in effect
after returning to normal mode.
9NAVMAN D100 User Manual
Troubleshooting Chart
No display:
Check DC power connections and DC polarity with voltmeter. Voltage
must be between 10.7 and 16.6 volts.
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. Substitute the transducer with a known good transducer hold it over the
side of the boat into the water and see if instrument functions. This
isolates cause of problem (transducer or instrument).
Erratic readings (while moored):
Check transducer for growth or multiple coats of paint.
Erratic readings (while underway):
Cavitation (air) under the face of the transducer. Review installation
and reinstall if necessary.
When power is applied, display right-hand digit counts up or down:
See previous section on Depth Simulation.
Erratic readings when engine is running:
1. Reroute power and transducer cables away from ignition wires and
battery cables.
2. Add feed-through filter capacitor on the positive terminal of the ignition
coil.
3. Add alternator whine filter to alternator.
4. Replace spark plug wire with resistive type.
Simulation Mode
At power up, if all the segments display for 5 seconds then the instrument
is in simulation mode.
10 NAVMAN D100 User Manual
D100 User Manual
Addendum
Secondary Functions (cont.)
Transducer Setting
The Transducer Setting function enables
the user to optimise the operation of the
D100 for the particular transducer installed.
Transducer performance varies widely,
larger diameter transducers produce
strong signals resulting in improved deep
water performance but can suffer from
reduced shallow water performance, due
to transducer ringing. Smaller transducers
produce the opposite effect, with improved
shallow water performance and reduced
deep water performance.
There are three values of transducer
settings (1 to 3). The lower numbers
improve the shallow water performance
and may produce reliable readings to
below 3 feet. It is recommended to use the
lowest number possible if shallow water
performance is important. It must also be
noted that in situations where the D100 is
tracking the bottom and displaying a
consistent depth but occasionally
displaying -- or erroneous depths of 3 to 4
feet, that this generally indicates the
transducer setting is too low and should
be increased.
While in the Keel Offset mode, press the
and ^ keys.
Use the ^ and the V keys to set the
required value.
When the correct value is displayed, press
#
key to exit.
the
#
.
NAVMAN D100 User Manual Addendum D100/ADD/1A
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