Radio mode C (Cue) & 243.0

[ScopeDope]

What does the radio presets labeled "C" and "S" do? I have a mission that has chatter on guard (243.00) and while in the C mode, nothing plays. Flipping it to G does play the sound.

 

NATOPS doesn't mention C or S modes:

 

2.13.5.12 Channel Selector Knobs. Rotating the knob selects channel 1 thru 20, manual (M), or

guard (G). The channel is displayed in the corresponding comm 1 or comm 2 channel display window. Pulling the spring-loaded knob causes the selected channel and its frequency to be displayed in the scratchpad and enables the control converter to change the frequency of the selected channel via the keyboard entry

 

edit:

Found it in another section of NATOPS:

 

23.2.1.1.2 Comm 1 and Comm 2 Channel Selector Knobs. When the comm 1 channel selector

knob is pulled, the UFC displays UFC Comm Display which is active for controls of comm 1 functions

only. When the comm 1 channel selector knob is rotated clockwise or counterclockwise in normal/

non-AJ mode, one of the following modes is selected for use by the comm 1 receiver-transmitter and

displayed: (1) one of 20 preset channels, (2) a manual frequency selection mode (M), (3) a guard

channel (G), (4) a cue © channel/frequency for Single Channel Ground and Airborne Radio System

(SINCGARS) (ARC-210), and (5) maritime (S) (ARC-210).

 

Is this modeled in DCS? Why would I be tuned to 243.000 and not receiving anything in that Cue mode?

Edited February 2, 2019 by ScopeDope

[Robin_Hood]

Apparently, the Cue frequency allows you to contact SINCGARS users (see section 23.5, esp. 23.5.3.3).

I higly doubt that SINCGARS will be modeled any time soon. However, as cue frequency seems to be 243 MHz, I'm not sure if there is anything special that would make it not receive a plain transmission on guard, though, so it might be a bug indeed.

 

However no.2, as SINCGARS apparently uses 30 to 88 MHz, it is possible that 243 MHz isn't even a valid cue frequency. Unfortunately the manual does not feature an image of the UFC in C mode.

 

 

EDIT: According to the F/A-18E NATOPS, it seems it might not be. Section 23.2.2.4 gives the valid frequencies for G and C :

1. 30 thru 87.995 MHz (FM) - at increments of .005, .025 MHz for C

2. 108 thru 135.995 MHz (AM) - at increments of .005, .025 MHz for C

3. 136 thru 155.995 MHz (AM/FM) - at increments of .005, .025 MHz for C

4. 156 thru 173.995 MHz (FM) - at increments of .005, .025 MHz for C

5. 225 thru 399.975 MHz (AM/FM) - at increments of .025 MHz

Edited February 2, 2019 by Robin_Hood

[ScopeDope]

Apparently, the Cue frequency allows you to contact SINCGARS users (see section 23.5, esp. 23.5.3.3).

I higly doubt that SINCGARS will be modeled any time soon. However, as cue frequency seems to be 243 MHz, I'm not sure if there is anything special that would make it not receive a plain transmission on guard, though, so it might be a bug indeed.

 

However no.2, as SINCGARS apparently uses 30 to 88 MHz, it is possible that 243 MHz isn't even a valid cue frequency. Unfortunately the manual does not feature an image of the UFC in C mode.

 

 

EDIT: According to the F/A-18E NATOPS, it seems it might not be. Section 23.2.2.4 gives the valid frequencies for G and C :

 

Good find. Maybe I'll submit a bug report, in the hopes that they can change the default C frequency so that at least it will eliminate the confusion I had, and wasted an hour or more trying to figure out why I wasn't receiving transmissions on 243.0 ©

[ScopeDope]

Radio mode C (Cue) & 243.0 bug

 

Radio when switched to C (Cue mode) defaults to 243.000 which I believe is not a valid frequency, and also does not receive radio transmissions (sound files played over that freq). According to the E model NATOPS (23.3.2.4), 243.000 is not a valid Cue preset.

 

1. 30 thru 87.995 MHz (FM) - at increments of 0.005, 0.025 MHz for C

2. 108 thru 135.995 MHz (AM) - at increments of 0.005, 0.025 MHz for C

3. 136 thru 155.995 MHz (AM/FM) - at increments of 0.005, 0.025 MHz for C

4. 156 thru 173.995 MHz (FM) - at increments of 0.005, 0.025 MHz for C

5. 225 thru 399.975 MHz (AM/FM) - at increments of 0.025 MHz.

 

At very least, I believe the default frequency on the C preset should be set to something other than 243.000 to prevent confusion. I spent over an hour today trying to figure out why my voice overs weren't playing while I was tuned in to guard (on C).

 

 

edit: I don't know why, but this post got moved to this thread after I posted it in the BUGS section.

Edited February 3, 2019 by ScopeDope