How To Use This Manual: Typographical Conventions; Arrow Keys; Keyboard; Menu Commands - Eagle FISHMARK 640C Installation And Operation Instructions Manual

Fish-finding & depth-sounding sonars
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How to Use this Manual: Typographical Conventions

Many instructions are listed as numbered steps. The keypad and arrow
"keystrokes" appear as boldface type. So, if you're in a real hurry (or
just need a reminder), you can skim the instructions and pick out what
menu command to use by finding the boldface command text. The fol-
lowing paragraphs explain how to interpret the text formatting for
those commands and other instructions:

Arrow Keys

The arrow keys control a horizontal line depth cursor on the sonar
screen. The arrow keys also help you move around the menus so you
can execute different commands. They are represented by symbols like
these, which denote the down arrow key, the up arrow, the left arrow
and the right arrow: ↓ ↑ ← →.

Keyboard

The other keys perform a variety of functions. When the text refers to a
key to press, the key is shown in bold, sans serif type. For example, the
"Enter/Icons" key is shown as
and the "Menu" key is shown as
.
ENT
MENU

Menu Commands

A menu command or a menu option will appear in small capital letters,
in a bold sans serif type like this:
. These indicate that you
D
C
EPTH
URSOR
are to select this command or option from a menu or take an action of
some kind with the menu item. Text that you may need to enter or file
names you need to select are show in italic type, such as data type.

Instructions = Menu Sequences

Most functions you perform with the sonar unit are described as a se-
quence of key strokes and selecting menu commands. We've written
them in a condensed manner for quick and easy reading.
5

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