SPEED 3100 log Installation and Operation Manual
NAVMAN
9
6 Countdown timer
Timer
counting
down
Flashes
Timer set to
9 min
To go to timer mode, press . To return to normal
mode, press again.
You can adjust the countdown timer to between one
and ten minutes, in increments of one minute. The
factory default start time is 10 minutes. When the
timer is counting down, TIMER flashes at the top of
the screen and in timer mode the time to go is
displayed in minutes and seconds:
The beeper sounds and any external beepers or
lights operate:
Four beeps at four minutes to go.
Three beeps at three minutes.
Two beeps at two minutes.
One beep at one minute.
Ten beeps at the end; the last beep is longer
and marks the end of the countdown.
In each case, the end of the last beep marks the
exact minute.
6-1 Start countdown timer
1 If you are not in timer mode, press to go to
timer mode (to adjust the start time, see
section 6-3).
2 Press
. The timer displays On briefly and
starts counting down from the start time.
6-2 Stop and reset countdown timer
1 If you are not in timer mode, press to go to
timer mode.
2 Press
+ . The timer stops and the time
resets to the start time (see section 6-3).
6-3 Adjust start time
1 If you are not in timer mode, press to go to
timer mode.
2 If the timer is counting down, press
+ to
stop the timer.
3 Press
one or more times to set the start
time in minutes. The timer does not start now
(to start the timer, see section 6-1).
5 Temperature
Temperature is measured by a sensor in the speed
transducer.
5-1 Set temperature units
The units can be °C or °F:
Press or until the temperature is
displayed, then hold until the units change.
5-2 Calibrate temperature
The unit is factory calibrated and should not normally
need calibrating. To calibrate:
1 Measure the water temperature near the speed
transducer.
2 Press
+ several times until the
Temperature Calibration screen is displayed:
3 Press
or to change the temperature to
the value measured in step 1 above.
4 Press
.
Water
temperature
