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406075-1496-1
J3062
Figure 3-47. RMS Display Pages Flow Chart
3-92
TM 1-1520-248-10
PULL
MAN
PULL
BKUP
BRT
C
ONT
VSD MMS COMM
2
1
3
4
SETUP
ZOOM
1:1
FPLN
NORTH
CNTR
OVRLAY
ON
ELEV BND
OFF
SOURCE
1:250K
SLEW
SCALE 10.4NM
MODE
CHART
10
9
8
7
6
5
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CONTROL/INDICATOR FUNCTION
1. MODE key Selects one of the following modes: CHART, Digital Terrain Elevation Data
(DTED), DATA or NONE.
2. ZOOM key Provides a map ZOOM factor capability (1:1, 1.125:1, 1.25:1, 1.375:1, 1.5:1,
1.625:1, 1.75:1, 1.875:1 and 2:1) from 100% to 200% in nine steps. If either
DATA or NONE is selected with the MODE key, there is no ZOOM factor
information displayed and the R-2 key has no function.
3. SOURCE key Selects one of six map scales (1:2M, 1:1M, 1:500k, 1:250k, 1:100k, and
1:50k. If no digitized map data is available for the selected map scale, then
a blank screen is displayed.
4. SLEW/RMS key Allows for selection of the basic display mode, either SLEW or RMS. When
SLEW mode is active, the legend reads RMS; when normal RMS mode is
active, the legend reads SLEW.
Figure 3-48. RMS Page, Normal Mode (Sheet 1 of 2)
3-93
TM 1-1520-248-10
(Cont)
CONTROL/INDICATOR FUNCTION
5. SCALE factor The selected scale represents the distance in nautical miles (LAT/LONG
Mode) or kilometers (UTM Mode) displayed along the horizontal length of the
MFD.
6. ELEV BND key Selects enhanced elevation banding (gray scale coloring) for the elevation
data available from DTED data. If DTED is not selected this key has no
function. The default at power-on is OFF.
7. SETUP key Calls up the RMS setup page.
8. OVRLAY key Selects whether overlays are displayed on the map. Selection of which
overlays are displayed is determined using the RMS SETUP and RMS
FEATURE SELECT pages. Default at power-on is ON. If either DATA or
NONE is selected with the MODE key, there is no legend and the L-3 key
has no function.
9. CNTR/OSET key Selects either CNTR or OSET for map displacement mode with the aircraft
symbol either centered on the map (CNTR) or displayed downward on the
map (OSET). If either DATA or NONE is selected with the MODE key, there
is no legend and the L-2 key has no function.
10. NORTH/HDG key Selects orientation of either north up (NORTH) or HEADING up (HDG). If
either DATA or NONE is selected with the MODE key, there is no legend
and the L-1 key has no function.
Figure 3-48. RMS Page, Normal Mode (Sheet 2 of 2)
3-94
TM 1-1520-248-10
PULL
MAN
PULL
BKUP
BRT
C
ONT
VSD COMM
2
1
3
4
6
7
SETUP
ZOOM
1:1
5
FPLN
RMS
POS
15S-AA-1234-5678
MMS
SLEW
LONG
SCALE 19.3 KM
SOURCE
1:250K
ELEV BND
OFF
OVRLAY
ON
MODE
CHART
9
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J3062
CONTROL/INDICATOR FUNCTION
1. MODE key Selects one of the following modes: CHART, Digital Terrain Elevation Data
(DTED), DATA or NONE.
2. ZOOM key Provides a map ZOOM factor capability (1:1, 1.125:1, 1.25:1, 1.375:1, 1.5:1,
1.625:1, 1.75:1, 1.875:1 and 2:1) from 100% to 200% in nine steps. If either
DATA or NONE is selected with the MODE key, there is no ZOOM factor
information displayed and the R-2 key has no function.
3. SOURCE key Selects one of six map scales (1:2M, 1:1M, 1:500k, 1:250k, 1:100k, and
1:50k. If no digitized map data is available for the selected map scale, then
a blank screen is displayed.
4. RMS/SLEW key Allows for selection of the basic display mode, either SLEW or RMS. When
SLEW mode is active, the legend reads RMS; when normal RMS mode is
active, the legend reads SLEW.
Figure 3-49. RMS Page, SLEW Mode (Sheet 1 of 2)
3-95
TM 1-1520-248-10
(Cont)
CONTROL/INDICATOR FUNCTION
5. ELEV BND key Selects enhanced elevation banding (gray scale coloring) for the elevation
data available from DTED data. If DTED is not selected this key has no
function. The default at power-on is OFF.
6. SETUP key Calls up the RMS setup page.
7. OVRLAY key Selects whether overlays are displayed on the map. Selection of which
overlays are displayed is determined using the RMS SETUP and RMS
FEATURE SELECT pages. Default at power-on is ON. If either DATA or
NONE is selected with the MODE key, there is no legend and the L-3 key
has no function.
8. LONG key Allows for the display/entry of the SLEW longitude when the selected
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TECHNICAL MANUAL OPERATOR’S MANUAL FOR ARMY OH-58D HELICOPT(83)
