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UH 1H
Radio panel support: VHF AM, UHF, VHF FM, VHF NAV, and IFF are shown on the CDU. The Master Caution light maps to the CDU FAIL LED.
| Device | What it shows |
|---|---|
| CDU (MCDU / PFP3N / PFP7 / PFP4) | Radio panel (VHF AM, UHF, VHF FM, VHF NAV, IFF) |
The page lists each radio with its frequency and status, plus the IFF transponder:
- VHF AM (AN/ARC-134)
- UHF (AN/ARC-51)
- VHF FM (AN/ARC-131)
- VHF NAV (ARN-82)
- IFF (AN/APX-72) — master setting and code, the Mode 1 and Mode 3A codes, and the reply / test lamps.
Each radio shows OFF when its power or mode switch is in the off position.
The UHF line shows the preset channel number (CH:xx) when the mode dial is on PRESET,
and the function label (T/R, T/R+G, ADF) next to the frequency.
| CDU LED | Cockpit source |
|---|---|
| FAIL | Master Caution light |
There is no CDU in the real UH-1H cockpit, so the display brightness does not follow any cockpit control. It starts at 100% and is adjusted entirely with the physical BRT / DIM keys on the CDU hardware (5% steps).
Use the global "Disable lighting management" option to prevent Master Caution from toggling the FAIL LED.
- ADF (AN/ARN-83) is not shown — the underlying data reports incorrect values. It can be re-enabled once the upstream DCS-BIOS module is fixed.
No flight data (gear, speed, altitude) is published, so FCU/EFIS, PAP3, and AGP32 panels stay idle.