FIRST-TIME USE
4-16
(5) Step through the selections using the [NEXT] and [PREVIOUS] keys or by direct entry on
the key pad. Each time, the highlighted selection becomes the current selection (no
terminator is required).
Since no external standard is connected, the message Err 503: Ext standard missing is
displayed every time you select an external standard.
(6) Select 0: Internal to restore the instrument to normal operation. Internal is displayed as the
current selection.
(7) Press any function key which returns you again to the main display. Pressing [SELECT] at
any time from now on always returns you to your last selected utility menu.
Short cut
Note that for the top and 2nd-level menus Util is shown each time at the top right. This allows you
to use a short cut. Since you now know the utility number for the Frequency Standard utility,
enter 4 on the key pad for this menu followed by [ENTER] which takes you straight to the
requested menu.
Moving within the menus
When you are using the menus, pressing [SELECT] takes you down the menu chain, pressing
[MENU] takes you back up.
Looking through the list of menus
To see what utilities are available to you, display the top level menu then press [SELECT] to
display the numbered list of menus. Now you can use the [NEXT] and [PREV] keys to browse
through the complete list.
Menu operation is summarized graphically in Chapter 3.
Menu conventions
The following simple conventions apply to the menus:
A filled-in square indicates an unprotected function.
An open, unfilled, square indicates a protected function.
An ellipsis (...) indicates a continuation to another screen.
Additionally, the following are used for memory operation:
A dash (−) indicates an unprotected memory store.
A lower-case p indicates a protected memory store.
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