Changes

* Audio Peak-meter or CPU-load => 1 or 2 small horizontal bars on the top right.

* Audio Peak-meter or CPU-load => 1 or 2 small horizontal bars on the top right.

* MIDI-IN => '''Blue M''' flag

* MIDI-IN => '''Blue "m"''' flag

* Xrun => '''Red Warning''' flag

* Xrun => '''Red Warning''' flag

* Under-voltage => '''Red Lightning''' flag

* Under-voltage => '''Red Lightning''' flag

* The red segment covers the range -3dBFS to 0dBFS.

* The red segment covers the range -3dBFS to 0dBFS.

There are independent meters for left and right channels which monitor the system output, i.e. the mix of audio that feeds the Zynthian output. Level decays with a logarithmic rule, taking one second to decay to -200dBFS so will decay to -50dBFS (the displayed range) in about quarter of a second. Peaks are displayed instantly, i.e. the attack of the meter is immediate(*). The peak hold bar remains for two seconds or until a higher peak is reached.  

There are independent meters for left and right channels which monitor the system output, i.e. the mix of audio that feeds the Zynthian output. Level decays with a logarithmic rule, taking one second to decay to -200dBFS so will decay to -50dBFS (the displayed range) in about quarter of a second. Peaks are displayed instantly, i.e. the attack of the meter is immediate (*). The peak hold bar remains for two seconds or until a higher peak is reached.  

(*) Meter is updated 5 times per second so there can be 200 ms delay in peak being displayed.

(*) Meter is updated 5 times per second so there can be 200 ms delay in peak being displayed.

Alternately, CPU-load bar can be enabled from webconf, replacing the Audio Peak-meter. The CPU-load bar shows the CPU usage as calculated by the Jack Audio Server:

Alternately, the "CPU-load" bar can be enabled from webconf, replacing the Audio Peak-meter. The CPU-load bar shows the CPU usage as calculated by the Jack Audio Server:

  This is a running average of the time it takes to execute a full process cycle for all clients as a percentage of the real time available per cycle determined by the buffer size and sample rate.  

  This is a running average of the time it takes to execute a full process cycle for all clients as a percentage of the real time available per cycle determined by the buffer size and sample rate.  

===The Flags===

===The Flags===

* The '''Blue M''' flag is shown when MIDI messages pass thru the MIDI router. Not all messages are detected. Only CC, Program Change and Note On/Off.  

* The '''Blue "m"''' flag is shown when MIDI messages are received.

* The '''Red Warning''' flag is shown when there are Xruns. You should hear clicks and pops too.

* The '''Red Warning Triangle''' flag is shown when there are Xruns. If many, you should hear clicks and pops too.

* When the '''Red Lightning''' or '''Red Thermometer''' flag is shown, your zynthian is working in a degraded state, with the CPU frequency capped to 600-800 MHz, trying to stabilize the system and avoid a system crash. You shouldn't see any of them and if you do so, you should consider looking for a better power source (under-voltage) or using a heat sink (over-temperature).

* When the '''Red Lightning''' or '''Red Thermometer''' flag is shown, your zynthian is working in a degraded state, with the CPU frequency capped to 600-800 MHz, trying to stabilize the system and avoid a system crash. You shouldn't see any of them and if you do so, you should consider looking for a better power source (under-voltage) or using a heat sink (over-temperature).