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11. Contact NCS to report into the net. displays.
b. Cue and ERF Procedure. 1. COMM key (or DSPL SEL switch)  Press.
COMM page (fig. 3-7) will display.
1. COMM key (or DSPL SEL switch)  Press.
COMM page (fig. 3-7) displays. 2. Radio  Select by pressing radio select
switch on pilot collective control head (fig. 3-
2. L-1/L-5  Press to select FM-1 or FM-2 and 3) or rotating transmit selector knob on the
frequency list (fig. 3-8). CSC panel (fig. 3-2) to desired radio position.
3-36
TM 1-1520-248-10
Arrow on COMM page w i l l move t o If entry only has four numbers, system adds two
appropriate radio line. This also sets up zeros to the end.
selected radio to accept new data. If the fifth character is 2, 5, or 7, the system
appends 5 as the last digit. If the fifth character is
3. L-1  Press. The frequency list will be not 2, 5, or 7, the system appends one zero to the
displayed in the center of the MFD (fig. 3-8). end.
NOTE
8. ENTER key  Press. Cursor will move to the
The frequency list has 18 preset channels right one space.
including a manual channel assigned to
each radio. The ARC-201Ds have an NOTE
additional CUE channel. The HF has one
manual and nine preset channels.
If no identifier is to be entered, press
4. ADD Key  Press. Cursor will display at ENTER key.
bottom of radio list.
9. Identifier (if desired)  Enter up to four
5. Channel number  Enter using MFK. alphanumeric characters using MFK. Identifier
Channel number will display. will display to the right of frequency.
NOTE
10. ENTER key  Press. For channels C and 1
Channel number selected may be an  6 cursor moves to the right. Using MFK,
unused channel or any channel currently type “T” or “S”. “S” adds that frequency to
assigned to any radio, except a channel the SCAN list. When scanning, the selected
currently in use. That channel and its frequencies are monitored sequentially until a
assigned frequency will drop from the list of frequency has traffic. The radio remains
assigned frequencies of that radio. tuned to the traffic frequency. If a “T” is
beside a frequency, then every other
frequency tuned to during the scan will be
6. ENTER key  Press using MFK. Cursor will
that frequency.
display to the right of channel number.
7. Frequency desired  Enter on MFK, pressing 11. To use the scan function for FM-1 or FM-2,
first two digits, decimal point, and last three select radio 1 or 2 using the CSC transmit
digits. Frequency will display. select switch. Press SCAN on the MFK. The
radio is now scanning on the established
NOTE frequencies. Press the SCAN button again to
stop scanning.
• (CDS3) It is not necessary to enter a zero
(0) before the first two digits. Also, system NOTE
will assume zeros for digits after decimal
point if nothing is entered. (CDS4) SCAN button has no function.
• ( C D S 4 ) T h e s e s y s t e m f u n c t i o n s
automatically occur after ENTER is 12. ENTER key  Press. Channel number,
pressed: frequency and identifier will move into
numeric sequence in radio selected and
System automatically enters a zero for the first cursor will display in blank space at bottom of
character. selected radio list.
System automatically enters a decimal after the
third character.
If entry only has three numbers, system adds 13. To enter additional frequencies into any radio
three zeros to the end. memory, repeat steps 4 through 12.
3-37
TM 1-1520-248-10
3-32. MANUALLY SETTING RADIO FOR NOTE
OPERATION: SELECT FM-1, FM-2, VHF, OR
UHF. (CDS2/CDS3) FM radio HIGH power cannot be selected unless amplifier has been
programmed prior to flight. Access to
NOTE program the amplifier is gained through the
FDL menu. Power will sequence to NORM,
The transmit select switch on the CSC panel LO, MED, and HIGH each time key is
must be in RMT before remote selection of pressed.
RFD displays.
6. SQL key  Press to set squelch to desired
1. COMM key (or DSPL SEL switch)  Press. mode. Mode will alternate between OFF and
COMM page (fig. 3-7) will display. ON each time key is pressed.
2. Radio  Select by pressing radio select 7. OSET key  Used to select a frequency
switch on pilot collective control head (fig. 3- offset for current preset or manual frequency.
3) or rotating transmit selector knob on the OSET may be required when dissimilar radio
CSC panel (fig. 3-2) to desired radio position. sets are being used and local interference is
Arrow on COMM page w i l l move t o encountered. OSET is not normally used and
　
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