Aeroflex 2946A Instructions d'exploitation télécharger pdf (Page 52)

OPERATING MANUAL 2945A

46882-311D 3-13

Power Up From

Successive presses of this key will toggle through the options available for configuration of the

Service Monitor at ‘Power Up’.

Last Used Store 0

Store 0

is loaded with the current settings each time power is removed from the instrument. With

this selection made, the instrument will power up to the same settings as when power was

removed, whether this was by user action or through power failure.

Preset Store 1

Store 1

contains the factory preset settings. With this selection made, the instrument will power

up to the Rx TEST mode with all settings, for every mode, to the factory preset settings and

options.

User Store 2

Store 2

is the first user accessible store, which is loaded through the user memory function. With

this selection made, the instrument will power up to the settings stored in user memory store 2

without having to access the memory as a separate function.

Access to the user memory is by pressing the orange [MEM] key. See Stores, settings/results,

later in this chapter, starting on page 3- 82.

Return

Returns to the last screen displayed prior to the pressing of the Help/Setup mode key.

Card Setup

A section giving a detailed explanation of memory cards and their use will be found later in this

chapter starting on page 3-84. This key displays the MEMORY CARD FORMAT screen and

menu. The real time clock is also set from this screen.

Return (on the HELP/SETUP screen)

Returns to the last used main mode.

Bar charts

The bar charts used to indicate signal levels can be set to autorange or to user selected ranges.

The current state of each bar chart is shown by either an

A (for Autoranging) or H (for Held

range) at the left of it. The top level screen of Tx TEST, Rx TEST, Dx TEST and AF TEST, all

have a [Scope/Bar] key.

Pressing this key will change the soft keys to those shown below. The function of each key is

explained.

[Barchart Select]

This key will select each visible bar chart in turn. The selected bar chart is

indicated by a highlighted A or H at the left of it.

[Auto range]

This key will set the selected bar chart to autorange. If it is currently set to

autorange, the key will have no effect.

[ ]

Each press will change the bar chart to the next

highest

range. If the

selected bar chart is set to autorange, the first press will remove autoranging

and hold the current range. The next press will change the range. When the

highest range is set, subsequent presses will have no effect.

[

]

Each press will change the bar chart to the next

lowest

range. If the selected

bar chart is set to autorange, the first press will remove autoranging and hold

the current range. The next press will change the range. When the lowest

range is set, subsequent presses will have no effect.

[Scope/Bar]

Pressing this key once, will remove the bar charts from the display and cause

the normal oscilloscope to be displayed. Subsequent presses will display the

expanded oscilloscope, then the bar charts again.

[Return]

This key will display the top level screen of the selected test mode.

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Aeroflex 2946A Instructions d'exploitation Page 52

Commentaires sur ces manuels

Aeroflex 2946A Instructions d'exploitation Page 52

Commentaires sur ces manuels

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