WÄRTSILÄ LAZ 5100, Техническое руководство

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Technical Manual LAZ 5100 / ES 5100
OPERATING INSTRUCTIONS
4-2 Technical Manual LAZ 5100 / ES 5100 TH 52 603 8001 EN Rev.: S
4.2 Brief Explanation of Control Keys
CURSOR
GAIN RANGE DIM
ESCAPE
ENTER
PRINT MARKER
ON OFF
Figure 4-2: Keypad
Key Value
CURSOR
The
CURSOR
keys allow the user to move the cursor within a
MENU
and alter parameters. The position of the cursor can easily
be seen, the word, letter or digit marked by the cursor appears
inverse (dark background, light text).
Parameters to be altered must first be "marked" with the cursor.
ESCAPE
The
ESCAPE
key is used to leave a
MENU
or to abort parameter
alterations.
ENTER
The
ENTER
key is used to call up
MENUS
and confirm
parameter alterations within
MENUS
.
GAIN
The
GAIN
keys are used to alter the system gain, known as
amplification, to achieve a clearer presentation in automatic gain
control mode. See chapter 4.4.1
.
RANGE
The
RANGE
keys are used to set the depth range of the system.
DIM
The
DIM
keys are used to set the display backlighting level to
suit the user.
PRINT
The
PRINT
key is used when the user wants to make a
simultaneous hard copy of the echogram. This is only possible if
a printer is connected to the system.
MARKER
When the
MARKER
key is pressed, a vertical dotted line
appears on the screen and moves with the presentation from
right to left. At the same time all relevant information is stored in
the system's 24 hour memory. This memory stores data from the
previous 24 operating hours.
SYMBOL
The key marked with a loudspeaker symbol is used to
acknowledge acoustic depth alarms.
Tab. 6: Control keys