TheArchive/mayhem-firmware
1
0
Fork 0
mirror of https://github.com/portapack-mayhem/mayhem-firmware.git synced 2024-11-23 10:05:27 +00:00
Code Issues Packages Projects Releases Wiki Activity

Corrected grammar and spelling.

rio.whoreo 2024-08-13 12:02:07 -04:00
parent eb07d363ed
commit 5478989d86
1 changed files with 14 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
RDS.md

@ -4,10 +4,10 @@ A full description of the system is [here.](https://en.wikipedia.org/wiki/Radio_
## RDS "Static" services include:
Program Service Name (PS): This is a displays a name instead of frequency
Program Type Code (PTY): This identifies a particular type of broadcast (Rock, Jazz, Sports, Talk, News, Classical, etc.) So far, 24 categories have been defined and assigned but the RDS system
Program Identification Codes (PI): Is a four-digit hexadecimal code. It is allocated on a country basis and usually made up of a Country Identifier followed by 3 ID unique characters is a This is one of the rarely-seen "hidden" RDS features
Alternate Frequency (AF): If PI is one of RDS’ "back office" functions, AF is what you’ll see in action all the time. Alternate Frequency Switching AF automatically returns your FM tuner to the strongest signal carrying that program.
Program Service Name (PS): This is a displays a name instead of frequency.
Program Type Code (PTY): This identifies a particular type of broadcast (Rock, Jazz, Sports, Talk, News, Classical, etc.) So far, 24 categories have been defined and assigned in the RDS system.
Program Identification Codes (PI): Is a four-digit hexadecimal code. It is allocated on a country basis and usually made up of a Country Identifier followed by 3 ID unique characters. This is one of the rarely-seen "hidden" RDS features .
Alternate Frequency (AF): If PI is one of RDS’ "back office" functions, AF is what you’ll see in action all the time. Alternate Frequency Switching (AF) automatically returns your FM tuner to the strongest signal carrying that program.
Traffic Program (TP): This symbol alerts you to the fact that the station you’re listening too regularly broadcasts special traffic information. Think of TP as the "indicator " for Traffic Announcement (TA).
## RDS "Dynamic" services:
@ -24,30 +24,30 @@ Key Items on each of the App tabs, that can be selected with the cursor and chan
### Common to all TAB
* **Title bar:** The usual items may be changed and displayed.
* **Programme Type:** There are 31 pre-set Program types
* **Program Type:** There are 31 pre-set Program types.
* **Program ID:** The Program ID is 4-character Hex from 0000 to FFFF.
* **TP:** This tick box select the sendings of Traffic Program Symbol
* **TP:** This tick box select the sending of a Traffic Program Symbol.
At the Bottom of the App Page is settings related to the RF configuration these being:
At the Bottom of the App Page are settings related to the RF configuration these being:
* **Frequency:** At the lower part of the App is the Frequency setting. This is stored in persistent memory
* **Step size:** This is next to the frequency and allows the selection of the standard step sizes.
* **Frequency:** At the lower part of the App is the Frequency setting. This is stored in persistent memory.
* **Step size:** This is next to the frequency, it allows the selection of the standard step sizes.
* **Gain:** The gain setting are below the frequency and marked (0-47) LNA(IF) and AMP 0=0db or 1=14dB.
* **Start:** This button starts the transmission and if pressed again can stop the transmission.
* **Start:** This button starts the transmission, and if pressed again, can stop the transmission.
### Name Tab
* **Transmit PSN:** The programe service name can be sent if the tick Box is selected.
* **PSN:** this is the Programe Service Name this is added by selecting the Set Button. This brings up the text Keypad so the name can be entered a maximum of 8 characters
* **Transmit PSN:** The program service name can be sent if the tick Box is selected.
* **PSN:** This is the Program Service Name. This is added by selecting the Set Button. This brings up the text Keypad so the name can be entered. (maximum limit of 8 characters)
* **Stereo:** A tick box to select this function. (Not known if this works).
* **Music:** A tick box to select this function. (Not known if this works).
* **Traffic Announcement:** A tick box to select this function. (Not known if this works).
### Text Tab
* **Transmit Radiotext:** This tick box enables the sending of Radio text
* **Set:** the Set button brings up the Text Keypad and allows text to be entered up to 28 characters.
* **Transmit Radiotext:** This tick box enables the sending of Radio text.
* **Set:** The Set button brings up the Text Keypad and allows text to be entered up to 28 characters.
### Time Tab