Turning The 972 On And Off; Introducing The Display Screen - NorthStar 972 Quickstart Manual And Reference Manual

Turning the 972 on and off

Turning the 972 on
CAUTION!
To turn the 972 on, gently and briefly press
the
Use caution when navi-
picture of the controls.)
gating with electronic
charts. Although every
During the startup sequence, the 972
effort has been made to
beeps and displays its start-up screen, and
ensure that the data the
then performs a series of self-tests to check
972 uses is as close as
its critical components and functions. Any
possible to paper charts,
startup issues are indicated by a double
errors and omissions are
inevitable. The captain is
asterisk on the screen.
responsible for
cross-checking the 972 Next, a message warns against relying on
against other sources of
the 972 chart cartography as the only
navigation data.
means of safe navigation. Acknowledge the

Introducing the display screen

Adjusting the brightness
To adjust the screen's brightness press the
BRT
If the 972 becomes too hot due to high
ambient temperature and strong sunlight,
the display screen may automatically dim
to prevent overheating. You can tempo-
rarily override the auto-dim function at
any time just by increasing the brightness.
Quickstart Guide Revision B
key. (See Figure 1 on page 10 for a
PWR
or key.
DIM
warning message by pressing the
key.
Now you're ready to get underway with
your 972!
If this 972 was recently used at or near its
present location, it will usually be ready to
navigate within one minute after it is turned
on.
Turning the 972 off
To turn the 972 off, press and hold the
key until the screen goes dark. Allow
PWR
up to 30 seconds for the black box to
power down.
The 972 may dim again to avoid exceeding
the maximum internal temperature.
Special display windows
Occasionally, the 972 needs to tell you
something or ask permission to do some-
thing. When this happens, an information
or question window appears on the screen.
This window may contain an alarm icon, or

Turning the 972 on and off

CHART
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