Every Model 4077 will normally come with the UNIT LEGENDS and
BUTTON FUNCTION INDICATORS shown in Fig. 1, with the legend/
indicator negative already fitted in the 4077's front-panel "FRAME"
LABEL. Customized negatives are available as an option. Contact the
factory for precise installation instructions; IMPROPER INSTALLATION
CAN DAMAGE THE 4077 DISPLAY PANEL.
Unless other specified, the 4077 comes with only the "F1" and "psi"
indicators lit. To cause one or more legends and/or indicators to light
up whenever instrument power is on, you must use the ANNUNCIA-
TOR (ANN) command. The front-panel "annunciators" consist of the
indicators that correspond to the
first five
buttons, plus the three
engineering-unit legends.* Thus, to turn ON Annunciator Number n,
where 1 ≤ n ≤ 8 (see Fig. 13 for the precise numbering), you need only
command
ANN n = 1 [CR]
To turn OFF Annunciator No. n, command
ANN n = 0 [CR]
* The SETUP indicator cannot be affected by the ANNUNCIATOR (ANN)
command. It will only be on when the 4077 is in "SETUP" mode.
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