User Guide

Gram Window Number Gram Window Selectors
Set Channel for Selected Gram window
Acoustic Data Display Window (Gram)
Frequency Alert Field
 Note: The MH-60R can process 16 buoys at once. Because of in-
game screen space restraints only four data display windows are
visible in this acoustic station in S.C.S. – Dangerous Waters.
To Enter a Frequency Alert
To be alerted when a specific frequency is detected by a sonobuoy, enter
the desired frequency into one of the Frequency Alert fields.
 Click or right-click the digits or the thumbwheels in the Frequency
Alert fields to increment or decrement the numbers until the
desired frequency is displayed.
 Click ENABLE to move the alert switch into the on position. When
the designated frequency is detected the alert light flashes.
To View Sonobuoy Data
The following steps allow you to view and process data from transmitting
buoys. A hot buoy has a red center when viewed on the Nav Map.
1. To determine the channel on which a buoy is transmitting, visit the Nav
Map [F5]. The channel in use by a buoy appears on the Nav Map next
to its NTDS symbol and appears in the DDI when the symbol is
selected.
2. At the Acoustic Station [F3], select one of the four Acoustic Data
Display Windows labeled with Roman numerals by clicking the
associated button in the GRAM CONTROL panel.
3. Click or right-click on the CHANNEL SELECT thumbwheels or digits to
increment or decrement the numbers until the desired channel number
Section 8: MH-60R Stations
8-26