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(Offset) . is lit when a lateral offset has been entered on PROGRESS page. The annunciator goes out when the offset is removed.
(Approach) . indicates that FMS is in approach mode of operation. In this mode, the EFIS deviation sensitivity and FMS tacking gains are increased. APRCH is lit when the following conditions are valid:
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FMS is selected navigation source on EFIS.
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A non-precision instrument approach is selected
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The airplane position is between 2 NM outside the Final Approach Fix (FAF) and the Missed Approach Point (MAP).
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The DGRAD annunciator must not be displayed.
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The FMS must be using approved sensors for the selected approach procedure (VOR, VOR DME, NDB, GPS).
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual Volume 2
Brightness Control
Both the manual and automatic (photo sensor) brightness controls are used to increase or decrease the display brightness. When selected manually, a bright/dim bar is displayed in the scratchpad. The bright/dim bar level is controlled by pressing BRT or DIM. After the adjustment is made, the photo sensors monitor the ambient light and maintain the brightness level over various lighting conditions.
Line Select Keys
Data is selected to a line from the scratchpad or vice-versa using the line select keys. These keys are identified from top to bottom as 1L through 4L on the left side and 1R through 4R on the right side.
Volume 2
Flight Crew Operating Manual Rev 2A, Apr 11, 2005
Line Select Keys (Cont’d)
The line select keys are used for:
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Direct Access Prompts/Function selects . In the case of a NAV or PERF index display (see function keys), the line select keys are used to select functions from the index. In displays other than index, keys 4L and 4R are primarily used for direct access to other functions in the FMS. The functions that are most likely to be accessed from the present page and phase of flight are displayed as prompts.
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Transfer Line Data to Scratchpad . If the scratchpad is empty, pushing a line select key transfers the respective line data to the scratchpad.
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Transfer of Scratchpad Data to Line Fields . Once data has been entered into the scratchpad, either through line selection or manual keyboard entry, it can be selected to any of the allowable line select fields on a page.
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual Volume 2
Legend
The following conventions are used in this section to indicate actions, results and sequences:
PUSH A FUNCTION KEY OR LINE KEY
The finger indicates to push a function or line key. Keys shown under finger, are keys to push.
SEQUENCE OF ACTIONS
Circled numbers show sequences for graphic images and their relationship to written steps of text. Must be followed in sequence to achieve desired results.
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