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Setup Mode
Tachometer settings and the fuel level
sender
type can be changed using the
Setup Mode (see Figure 2, Table 1, and
Ta
ble 2). Use this option only if you have
reason to believe that your settings are
wrong. Setting an incorrect value in these
menus can result in extremely inaccurate
performance o
f the tachometer and fuel
level sender.
To
access the Setup Mode, press and hold
both the “Up” and “Down” buttons while
turning on the instrument.
The display will shows,
Briefly
pressing the “Mode” button will
cycle through the menu items.
The “Up” and “Down” buttons are used to
modify the settings.
The
microprocessor will automatically
record the new settings as you change
them.
of fuel in the fuel tank in percent of full
(PC). The indication is based on the fuel
level sender in the tank and operates
similarly to a normal fuel gauge. There are
no adjustments to this reading.
Note
: For proper operation no
additional fuel gauges may be connected
to the fuel level sender.
Other Features
The Commander can have special
features programmed in it at the Factory.
1) Fuel Management which includes, Fuel
Flow, Fuel Used, Total Fuel Used, and
Fuel Remaining.
2) Ambient Air and Water Temperature.
This manual covers both. Refer to your
boats
owners manual for which feature
have been installed.
M
Mode
Button
Down
Button
Up
Button
Down
Button
Up
Button
Page 3
Flashes
then shows current fuel
sender selection.
Screen shows:
Default = U
S
changes sensor selection
Flashes
then shows current
tachometer scale
selection.
Screen shows:
Default = 6K
adjusts Tachometer full scale
reading to match dial.
Tachometer Selection Table
TAC 1 Two pulses per rev. (4 cylinder, 4 cycle gas engine)
TAC 2 Three pulses per rev. (6 cylinder, 4 cycle gas engine)
TAC 3 Four pulses per rev. (8 cylinder, 4 cycle gas engine)
TAC 4 Five pulses per rev. (10 pole alternator on outboard engine)
TAC 5 Six pulses per rev. (12 pole alternator on outboard engine)
TAC 6 Eight pulses per rev. (Not Used)
TAC 7 Ten pulses per rev. (20 pole alternator on outboard engine)
TAC 8 TH Two to Two Hundred Fifty pulses per rev.
TAC 9 VA Match reference calibration digital or mechanical tachometer
Table
Figure 3
1
Fuel Sender Selection Table
US Standard United States fuel sender ( 240 – 33 Ohms )
EU Standard European fuel sender ( 10 – 180 Ohms )
Table 2
Page 15