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and JVMF. Both protocols require that the IDM be Figure 4-87. HOG Pop-up Menu
initialized using the Hands-On General User Interface
(HOG). In keeping with crew task separation guidelines,
only the CPG is provided the means to access and Typically, the display box will contain a list of options, a
control the IDM (both TACFIRE and JVMF protocols). selection window, and a number (indicates number of
The FM-1 and FM-2 radios can be configured for both up or down switch actions required, from the default
TACFIRE and JVMF protocols. This configuration location (0), to make that selection). Using the
process occurs as part of IDM initialization. In addition appropriate cyclic switch, the CPG can move the
to initializing both TACFIRE and JVMF, the HOG selection box up or down, accept/confirm a selection,
provides a graphical interface to the JVMF protocol. and enter/edit text. Many pages contain the selection
This interface provides the CPG with the means to BACK or SHUTDOWN. BACK causes the display to
communicate using MFD, cockpit switches, RMS, IDM, return to the previous page. SHUTDOWN initiates the
DTS, FM radios, CDS software, and Aviation Mission
IDM shutdown procedure.
Planning Station (AMPS).
b. Control Switches. The CPG selects HOG ON/
4 - 1 6 9 . H A N D S - O N G E N E R A L U S E R OFF by pressing L-4 on Initial Page 1. When HOG is
INTERFACE (HOG). active, ON will be boxed. The following CPG cyclic
Using the HOG, the CPG can initialize and shut down switches provide HOG control (fig. 4-88)
the IDM as well as initiate JVMF responses and
actions. When activated, HOG provides a series of popup
displays and the capability to control the various 4-170. IDM INITIALIZATION.
displays and initiate responses. HOG displays are not
available if left IMCPU fails.
Digital communication using either TACFIRE or JVMF
a. Displays. The HOG displays are pop-up menus requires that IDM be initialized before either capability
overlaid on the current MFD display (fig. 4-87). is functional. Initialize the IDM as follows:
4-183
TM 1-1520-248-10
SWITCH FUNCTION
1. MMS Freeze Frame Switch Causes HOG pop-up window to be displayed on CPG MFD. MMS Wide/
Narrow FOV and MMS Point Track switches change from supporting MMS to
supporting HOG. Pressing this switch again restores their MMS functionality
and removes HOG pop-up window.
2. MMS Wide FOV Switch Each activation causes HOG selection window to move up to next available
list item.
MMS Narrow FOV Switch Each activation causes HOG selection window to move down to next
available list item.
3. MMS Point Track Switch Confirms option boxed by HOG selection window and initiates action.
Figure 4-88. CPG Cyclic Switches
4-184
TM 1-1520-248-10
4. OPERATION. Select RETAIN CURRENT to
display the OPERATION page. Select NONEXERCISE
or EXERCISE option. Either
selection will cause initialization process to
continue and displays the INIT-TIME window
(fig. 4-90).
5. INIT-TIME. Select how date and time are to
be entered. Time can be entered either
manually, or using GPS-provided data. If
manual option selected, a valid time entry is
in the form HHMMSS. A valid date entry is in
the form YYYYMMDD (fig. 4-90).
6. INIT-PROTO. Identifies the protocols to be
used with FM-1 and FM-2 radios. Accept
default configuration or elect another from
those displayed (fig. 4-90). Options are
available as follows:
TI & TAC − Tactical Internet and TACFIRE.
TI & FS − Tactical Internet and Fire Support
Internet.
FS & TAC − Fire Support Internet and TACFIRE.
TAC ONLY − TACFIRE Only.
Figure 4-89. IDM FAIL Indication For all except INIT-TAC option, system displays INITCONFIG
page (step 7). If INIT-TAC option selected,
CAUTION INIT-INPROG page (step 10) is displayed. After radioto-
protocol configuration complete, CONFIRM
selection.
Perform manual shutdown of IDM before
removing power. 7. INIT-CONFIG. These pages identify current
1. On CPG MFD INITIAL PAGE 1, select HOG Tactical Identifiers (TACID) for Tactical
ON (boxed). Internet and Fire Support nets and provide
the means to confirm or edit the TACID
2. On CPG cyclic, press MMS Freeze Frame selection. TACID is tied to a Unit Reference
switch. Number (URN), IP address, and related
information that uniquely identifies aircraft
NOTE and crew. TACID is similar to subscriber in
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(fig. 4-89) TACID, CPG selects affected radio, causing
applicable TACID page to be displayed (fig.
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OPERATOR’S MANUAL FOR ARMY OH-58D HELICOPTER 2(15)
