> For the complete documentation index, see [llms.txt](https://docs.miltechsimulations.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.miltechsimulations.com/miltech-fighters-m2k-c/aircraft-and-systems/navigation-and-communication-systems/communication-systems.md).

# Communication Systems

The COMM Radio Panel is located on the left side panel of the cockpit. 

<figure><img src="/files/qutQqL8CkLTphH1F4UbM" alt="" width="563"><figcaption><p>Comm Radio Panel</p></figcaption></figure>

1. **Radio Mode Selector:** Only FF (COM1) mode is supported.&#x20;
2. **Keypad:** Used to enter frequencies.
3. **CONF (Configure):** Used to input a new frequency, and to confirm input.
4. **XFER:** Transfer button, switches frequency with standby frequency. Standby frequency is always the latest inputted frequency.
5. **Frequency Display:** Displays active COM1 Frequency selected.&#x20;

Active frequency and standby frequency are also displayed on a small LCD Display on the front panel, near the AoA Indicator.&#x20;

<figure><img src="/files/WGwG4Iacahlu4aSzYvyZ" alt="" width="188"><figcaption><p>COM1 Frequency Display</p></figcaption></figure>

## Entering a new COM1 Frequency

1. Locate the COMM Radio Panel on the left side console.
2. Press the CONF Button to input a new frequency.
3. Enter the desired frequency, excluding any periods. A total of six digits must be entered.&#x20;
4. Press the CONF Button to confirm input. If the frequency is valid, COM1 will now tune the new frequency inputted, and the previous frequency will automatically become the Standby Freq. If the entered frequency is invalid, no change will occur.
5. You may switch back to the Stby Frequency at any time by using the XFER Button.


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