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operation is used for receiving or transmitting SINCGARS hopsets and locksets so a user can be added
to the net. There is a 30 second time-out during option selections. The XMIT option is not displayed
if ADF is enabled for the current radio.
The SG LSET is used to enter the SINCGARS lockset for transmission or reception. Touching the
SG LSET touch option/display border highlights the option and the last lockset is displayed in the
scratchpad. The lockset may be changed by touching the desired number on the keypad options (1 thru
8), verifying the new lockset in the scratchpad, and touching ENT. With the desired lockset displayed
in the scrathpad, the lockset is transmitted or received by touching the XMIT or RCV option.
Figure 23-9. Have Quick TNET Loading
A1-F18EA-NFM-000
VII-23-16 ORIGINAL
Touching the XMIT option transmits the new radio lockset and the option is border highlighted for 2
seconds. Touching the RCV option enables the radio to receive the lockset and the option remains
border highlighted until the lockset is received.
Touching the SG HSET touch option/display border highlights the option and the last hopset is
displayed in the scratchpad. The hopset may be changed by touching the desired number on the
keypad options (1 thru 20), verifying the new hopset in the scratchpad, and touching ENT. With the
desired hopset displayed in the scratchpad, the hopset is transmitted or received by touching the
XMIT or RCV option. Touching the XMIT option transmits the new radio hopset and the option is
border highlighted for 2 seconds. Touching the RCV option enables the radio to receive the hopset and
the option remains border highlighted until the hopset is received. The XMIT and RCV options can
not be selected at the same time.
Selecting the RTN option returns the SINCGARS MENU format to the Fixed Frequency Anti-Jam
Menu format.
23.3.3 COMM Sublevel - Presets 1 Thru 20 (Anti-Jam). The Preset 1 thru 20 COMM Sublevel
(Anti-Jam) is selected by touching the COMM 1 or 2 touch option/display while on preset channel 1
thru 20 and in Have Quick or SINCGARS anti-jam mode (see figure 23-11).
In the Have Quick mode, this sublevel is used to change the net number, to enable or disable squelch,
cipher mode, guard receive, or ADF operation; to select modulation type (AM or FM); or to access time
receive and time transmit.
In the SINCGARS mode, this sublevel is used to enable or disable squelch, cipher mode, guard
receive, or ADF operation; to access master selection; to enter late net selection; to enter time; and to
transmit and receive hopsets and locksets. This sublevel, displays a 1: (selected radio) followed by H1
(Have Quick 1), H2 (Have Quick 2, or SG (SINCGARS) and the net number. In Have Quick mode, the
net number (00.000 thru 99.950) is changed by touching the desired numbers on the keypad options,
verifying the new net number in the scratchpad, and touching ENT. The last two digits of the net
Figure 23-10. Single Channel Ground and Airborne Radio System (SINCGARS) MENU
Fixed Frequency Sublevel
A1-F18EA-NFM-000
VII-23-17 ORIGINAL
number must be 00, 25 or 50. Trailing zeros need not be entered. If invalid data is entered, an error
indication is displayed in the scratchpad. The SINCGARS net number cannot be changed at this
sublevel.
SQCH (squelch), GRCV (guard receive), and ADF (automatic direction finder) are enabled or
disabled by touching the respective touch options/displays. An enabled option has a highlighted
border. The AM/FM option is always border highlighted and toggles between AM and FM. If the
current frequency is available only in AM or in FM, the AM/FM option is not displayed. While in the
UHF AM mode, the cipher option cycles as follows: CPHR (no highlighted border-cipher disabled),
CPHR (border highlighted-cipher baseband enabled), CPDP (border highlighted-cipher diphase
enabled). The CPHR and CPDP options are mutually exclusive. Continued selection of this option
repeats the above cycle. CPHR (both diphase and baseband) or ADF operation is available for only one
radio at a time. Enabling CPHR or ADF on COMM 1 automatically disables CPHR or ADF on COMM
2 if it was previously enabled.
Enabling ADF automatically disables SQCH. SQCH may be enabled after selecting ADF by
touching the SQCH option. However, if SQCH was not enabled after selecting ADF it is automatically
enabled when ADF is disabled.
Touching the AJ option returns the selected radio to the COMM fixed frequency sublevel. This
selection applies to all presets and all preset channels which now become fixed frequency.
Touching the AJ MENU option selects the Have Quick or SINCGARS menu sublevel depending on
whether the current preset is defined as Have Quick or SINCGARS.
　
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