> For the complete documentation index, see [llms.txt](https://docs.rhsmods.org/rhs-status-quo-user-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.rhsmods.org/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems.md).

# General Systems

This section contains the general systems pages.

| Page                                                                                                                                                | Description                                                                                                                                                                      |
| --------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [Spectrum Device](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/spectrum-device.md)                               | The Spectrum Device is a handheld transceiver that can act as an electromagnetic spectrum analyzer.                                                                              |
| [PMF-5.1](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/pmf-5.1.md)                                               | PMF-5.1 Is a MFD system that's used in APCs, Tanks, and MRAPs such as T-14, T-15, K-17, K-16, Typhoon-K                                                                          |
| [RHS IR, NV and "Thermals"](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/rhs-ir-and-nv.md)                       | Infrared (IR) laser pointers, illuminators and strobes cannot be seen by naked eye and are therefore used exclusively with IR enabled devices, such as NV scopes and NV goggles. |
| [RHS Extended Inventory System](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/rhs-extended-inventory-system.md)   | You can use the inventory system and actions to attach and swap compatible items to clothing that you are wearing.                                                               |
| [RHS Radial Menu](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/radial-menu.md)                                   | A new radial menu can be used with items that are equipped on your current weapon or person.                                                                                     |
| [Close Air Support](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/close-air-support.md)                           | The Game Master mode introduces to the player the ability to call in air strikes using various new placeable objects.                                                            |
| [Navigation and Positioning](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/navigation-and-positioning.md)         | The mod contains devices that show your position and help you navigate on the map.                                                                                               |
| [EARHS](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/earhs.md)                                                   | EARHS is an independent subsystem of RHS modification that will allow you to interact with modern radios and other operational electronics on an immersive level.                |
| [GPS Radio Beacon](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/gps-beacon.md)                                   | The GPS Radio Beacon is a compact, waterproof professional tracking device designed for emergency location marking and vehicle tracking.                                         |
| [Garmin Tactix Bravo](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/garmin-tactix-bravo.md)                       | The Garmin Tactix Bravo is a rugged, multisport GPS tactical watch engineered for military professionals, law enforcement, and outdoor adventurers.                              |
| [Hearing Protection](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/hearing-protection.md)                         | Active headsets protect your hearing from gunfire and explosions.                                                                                                                |
| [Strobe Devices](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/strobe-devices.md)                                 | Strobe marker lights show the position of a soldier, a vehicle or a point at night.                                                                                              |
| [Weapon Light and Laser Devices](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/weapon-light-and-laser-devices.md) | Weapon lights and laser devices have their own keys.                                                                                                                             |
| [Default Key Bindings](/rhs-status-quo-user-documentation/arma-reforger/rhs-status-quo/general-systems/default-key-binds.md)                        | RHS contains more than a few key binds and this pages is here to give generic description of what each of them do.                                                               |