Embraer EMB145 Operation Manual page 2567

WEATHER RADAR CONTROLS AND INDICATORS
WEATHER RADAR CONTROL PANEL
1 - RANGE SELECT BUTTONS
− Allow selection of the radar's operating range, from 5 to 300 NM
full scale in WX, REACT, or GMAP mode. In FP mode,
additional ranges of 500 and 1000 NM are available. In test
mode the range is automatically set to 100 NM.
− The up-arrow button selects increasing ranges, while the
down-arrow button selects decreasing ranges. Upon reaching
maximum or minimum range, further pushing of the button
causes the range to rollover to minimum or maximum range,
respectively.
2 - TURBULENCE DETECTION FUNCTION BUTTON (P-880 Model
Only)
− Alternate pressings turns on or off the radar's turbulence
detection function.
− Function can be used only in WX or RCT mode, with selected
range of 50 NM or less.
3 - STABILIZATION FUNCTION BUTTON
− When momentarily pressed, disables antenna stabilization
function. The STAB OFF annunciator will illuminate on the
control panel.
− On the ground, after warm-up period, pressing the STB button
four times within 3 seconds will inhibit the forced standby
(FSBY) function.
4 - SLAVE ANNUNCIATOR (Dual Control Panels Only)
− Illuminates to indicate that one controller is slaved to the other.
5 - TARGET ALERT CONTROL BUTTON
− Alternate pressing selects or cancels the target alert feature.
− Selectable only in the WX and FP Modes.
6 - SECTOR SCAN BUTTON (SECT)
− When momentarily pressed, selects either the radar's normal 12
sweeps per minute for a 120° full scan or the faster update 24
sweeps per minute for a 60° sector scan.
REVISION 38
AIRPLANE
OPERATIONS
MANUAL
NAVIGATION AND
COMMUNICATION
Page
2-18-45 21
Code
01