L-3 Communications Navigation Echosounder LAZ 5100 - Manual (Page 37)

Page 4-2
L-3 ELAC Nautik
CURSOR GAIN RANGE DIM
ESCAPE
ENTER
PRINT MARKER ON OFF
• GAIN : The GAIN keys are used to alter the system gain, otherwise known as
amplification, to achieve a clearer presentation. The system can be operated
with either automatic or manual gain control. 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.
CURSOR GAIN RANGE DIM
ESCAPE
ENTER
ON OFF PRINT MARKER
• PRINT : The PRINT key is used when the user wishes 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 system operating hours.
• SYMBOL : The key marked with a loudspeaker symbol is used to acknowledge acoustic
depth alarms.