Using The More Key - NorthStar 972 Quickstart Manual And Reference Manual

Setting the picture's range
The range setting adjusts the overall depth
covered by the echo sounder picture, from
the top of its display to the bottom. The
range can be set automatically (by pressing
Auto), or manually.
To set the range:
Viewing the seabed depth
The seabed depth (the "bottom") is
displayed numerically in a black box at the
left edge of the echo screen.
You can change the size and location of
the depth box:

Using the MORE key

Pressing the
following functions:
Reference Manual Revision B
Depth
1. Press .
Range
2. Press .
3. Press the cursor pad up or down to adjust the
range, or use the keypad to manually enter
the desired range (press ENTER when done).
Return
4. Press to go back to the Echo
Sounder screen.
key accesses the
MORE
alarms (described beginning on page
•
131)
Depth
1. Press .
2. To cycle through the size choices, repeatedly
Depth box
press . To move the box up and
down, press the cursor pad.
Return
3. Press to go back to the Echo
Sounder screen.
The depth box can also be adjusted by
More
pressing , then pressing
Using the depth marker
You can use the depth marker to accu-
rately measure the depth of an echo. To
display the depth marker — a dashed hori-
zontal line — and move this marker up or
down, press the cursor pad down on the
main echo screen. Small digits attached to
the depth marker line display the marker's
exact depth.
The depth marker also affects the Marker
Zoom display (see Marker zoom, on page
111).
advance speed
•
A-scope
•
data (numeric and graphic information
•
on the screen)
Echo Sounder
Reference section 7 — Echo sounding

Using the MORE key

Data
.
117