Countdown Timer; Start Countdown Timer; Stop And Reset Countdown Timer; Adjust Start Time - NorthStar NS3100 Multi Instrument Reference Manual

7 Countdown timer

Timer counting
down
Countdown timer
symbol flashes

7-1 Start countdown timer

7-2 Stop and reset countdown timer

7-3 Adjust start time

Timer start time is 9 min
Reference Manual and Installation Manual
You can adjust the countdown timer to start counting
down between one and ten minutes, in increments
of one minute. The factory default start time is 10
minutes. When the timer is counting down, the
countdown timer symbol flashes and the time
remaining is displayed in minutes and seconds:
The timer starts at the start time (to adjust the start
time, see section 7-3).
1 Press until the countdown timer is displayed.
2 Press + . The timer displays On briefly and
starts counting down from the start time.
1 Press until the countdown timer is displayed.
2 Press + . The timer stops and the time resets
to the start time (see section 7-3).
1 Press + several times until the Countdown
Timer Start Time screen is displayed:
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.
2 Press or to set the start time in minutes.
3 Press . The timer does not start now (to start the
timer, see section 7-1).7-3 Adjust start time
15