2-3-10 Section 2: Using Digital Instruments
ST290 Instrument System Owner’s Handbook
Setting the alarm time
To set the alarm time:
1. In the Timers chapter, select the ALARM CLOCK page.
2. If necessary, press the button momentarily to display an alarm
time.
3. If you want to change the alarm time, hold down the button for
1 second, to enter Edit mode. The minutes value flashes.
4. Use the or button to set the required minutes value in the alarm
time.
5. Press the button, so that the hours value flashes.
6. Use the or button to set the required hours value the alarm time.
7. Hold down the button for 1 second, to leave the edit mode.
Countdown timer
Setting the countdown time
To set the countdown time:
1. In the Timers chapter, select the COUNTDOWN page.
2. Hold down the button for 1 second, to enter Edit mode. The sec-
onds value flashes.
3. Use the or button to set the required seconds value.
4. Press the button, to edit the minutes. The minutes value flashes.
5. Use the or button to set the required minutes value.
6. Hold down the button for 1 second, to leave the edit mode.
Starting & stopping the countdown timer
To start or stop the countdown timer:
1. In the Timers chapter, select the COUNTDOWN page.
2. Press the button. If the countdown timer was running, it stops. If
the countdown timer was stopped, it starts counting.
Stopwatch/lap timer
The following description of how to use the stopwatch/lap timer,
assumes a typical operational sequence:
• Starting the stopwatch from a stopped condition.
• Obtaining lap times while the stopwatch is running.
• Stopping and resetting the stopwatch.
81183_2 S2.book Page 10 Tuesday, May 6, 2003 8:39 AM