2-1-4 Section 2: Using Digital Instruments
ST290 Instrument System Owner’s Handbook
presses of the button will display successive pages. If the button is
held down, successive pages in the selected chapter will again be
displayed, but in reverse order.
If you want to changethedisplayed Chapter, pressthe button, toenter
Chapter Select mode. If you take no further action after entering Chapter
Select mode, the instrument will automatically return to Normal mode
after 5 seconds.
In Normal mode, if you hold down the button, you enter backlighting
adjust mode (see Adjusting backlighting on page 2-1-8). If the
backlighting is off, it switches on as you enter backlighting adjust mode.
Chapter select mode
The Chapter Select mode enables you to select which chapter is
displayed.
Within 5 seconds of entering Chapter Select mode,pressthe
button, to cycle through the chapters:
• Press the button, to cycle through in one direction.
• Hold the button down for 1 second or more, to cycle through in a
reverse direction.
When you haveselectedthe required chapter, either wait for 5 seconds, or
use the appropriate front panel buttons, to return to Normal mode (see
Section 2, Chapter 2 or 3, as appropriate).
Edit mode
The Edit mode enables you to change values, as required. Typical
examples are:
• Setting alarm levels.
• Resetting average speed reading to zero.
• Setting an alarm clock time.
Alarm mode
When an alarm occurs, the display will show the Alarm identity and data
(if any) associated with the alarm. At the same time, an alarm beep will
sound.
TO SILENCE AN ALARM, PRESS ANY INSTRUMENT BUTTON.
81183_2 S2.book Page 4 Tuesday, May 6, 2003 8:39 AM
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