Chapter One: General Information
How this Manual is Organized
19
Format of Instructions
Each set of directions contained in this manual includes all the steps necessary to perform a
particular task. Even though some steps are identical for several operations, they are repeated in
each set of instructions. This means you do not have to read preceding chapters, but may go
directly to a description of a function, and you will be provided with all the steps necessary to
perform that task.
Although detailed instructions are provided, it is very useful to read the overview sections at the
beginning of the manual. A better understanding of the 146 unit will make operation of it more
intuitive. The displayless option is discussed in a separate section at the end of Chapter Three:
Overview.
This manual follows the functional design of the 146 instrument. That is, after the introductory
and overview sections, each of the five modes in which the 146 unit can operate, is discussed in a
separate chapter.
Conventions Used in this Manual
Keys:
All the keys mentioned in this manual are displayed on the front panel of the 146
unit. In this manual, the keys are referred to by the names (functions) printed on
them. The key names (functions) are written with the key name inside straight
brackets. For example, [
ENTER
].
Most keys on the keyboard have more than one function printed on them. In this
manual, both functions are shown, separated by a slash, even though only one of
the functions may be applicable to a set of instructions. For example, [
ON
/
LEAD
]
is a key with two functions printed on it.
When two keys must be pressed simultaneously, this is shown by presenting the
keys side by side. The instructions explicitly describe what you are to do. For
example, to indicate that the up and down arrow keys must be pressed
simultaneously, the keys are presented as shown:
[
] and [
]
and the instructions might read ...
Press the Up and Down arrow keys simultaneously.
If there is a shortcut key, or shortcut key sequence, the instructions are written to
use the shortcut sequence. Instructions are written with the fewest steps possible.
Legends:
Legends or any messages displayed on the front panel window, are written with
three blank spaces before and after the legend/message, and written in capital
letters. For example, the legend No Sensor is written as
NO SENSOR
.
Italics:
Italics are used to stress a word or concept. For example, instructions may read:
Do not discard any packing material, until the 146 unit has been inspected.
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