Device Monitor
The Device Monitor provides real-time diagnostic data from the Cronus Zen™.
It displays:
• Controller input and output data • CPU load • VM speed • Battery status • USB and Bluetooth device information (VID/PID) • Memory slot control • LED and rumble status • Debug trace fields
This tool is primarily used for controller testing and GPC script debugging.
Requirement
Device Monitor is only accessible when the Zen is connected to a PC via the PROG USB port.
Interface Overview
Input Area
Displays real-time controller input data, including:
• Buttons • Analog sticks • Triggers • Sensors (accelerometer / gyro)
If no controller is connected, a prompt will appear.
Click any input field to plot its live value in the Plot Area. Up to 4 fields can be plotted simultaneously.
Output Area
Displays processed output after GPC script or GamePack execution.
If no console is connected, you can manually select the Emulator Output Protocol:
• PlayStation 4 / 5 • Xbox One / Series X|S • Switch • PS3 • Xbox 360 • PC / Mobile
TRACE Debug Fields
Six TRACE fields are available for GPC debugging:
• Flow validation • Variable monitoring • Script state feedback
Output and TRACE values can also be plotted (up to 4 at once).
Status & Controls
CPU Load
Indicates processing load.
• Below 80% = normal • Sustained high values may indicate inefficient scripts
VM Speed
Adjusts Virtual Machine execution speed (1ms–40ms). Default: 10ms
Lower values = faster execution Higher values = slower execution
Recommended for advanced script testing only.
Active Slot
Displays:
• Active memory slot number • Loaded GamePack or script name
Controls:
• + – Cycle slots • Unload – Revert to Slot 0 • CFG – Open GamePack configuration • Build and Run (F5) – Temporarily uses Slot 10
Device Information
USB / Bluetooth Inputs
Supports:
• 3 × USB inputs • 2 × Bluetooth inputs
Click the info icon to view:
• VID / PID • Extended device data
Use the refresh icon to rescan devices.
Controller Battery
Displays battery level for wireless controllers. Not applicable to wired controllers.
Input Labels
Identifies the active controller type. Selecting it updates the Output Area layout accordingly.
Feedback Indicators
LED Status
Displays Player LED state:
• ON • OFF • Slow Blink • Fast Blink
Note: GPC scripts and GamePacks can override LED behavior.
Rumble Status
Displays rumble motor intensity:
• 0% = Off • 100% = Full power
Rumble A = Strong motor Rumble B = Weak motor RT/LT = Xbox trigger motors
Rumble output can also be controlled by GPC scripts.
Plot Area
Used for real-time data analysis and debugging.
• Click any field to begin plotting • Click again to stop • Maximum 4 fields at once
Plot Controls
• Pause Plot – Freeze graph for inspection • Highlight Accel/Gyros – Emphasize sensor data • Deselect All – Clear all selected fields • Capture – Save a screenshot of the plot area with labels
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