IronOS devices are controlled by two buttons that can be pressed in different ways to access various functions.
All supported devices have two buttons:
+/A button: Located near the front (closer to the tip) on irons, or on the left side on hot plates-/B button: Located near the back (far from the tip) on irons, or on the right side on hot plates
Press Types
| Press Type | Duration | Description |
|---|
| Short press | ~1 second | Quick tap of the button |
| Long press | >1 second | Hold the button for more than one second |
| Both buttons | Variable | Press and hold both buttons together |
Soldering Mode
In soldering mode, the iron heats to your set temperature and maintains it.
Basic Controls
| Action | Function |
|---|
Short press +/A or -/B | Enter temperature adjustment screen |
+/A in temp screen | Increase temperature |
-/B in temp screen | Decrease temperature |
| Both buttons or wait 3s | Exit temperature adjustment |
Long press +/A | Activate Boost mode (if enabled) |
Long press -/B or both | Exit to standby mode |
Boost Mode
Boost mode temporarily increases the temperature to a preset value (configured in settings). This is useful when soldering large joints that need extra heat.
- Hold the
+/A button for >2 seconds to activate
- Temperature increases to the boost setting
- Release button to return to normal temperature
- The boost temperature is set in Soldering settings
Standby Mode
When you first power on the device, you’ll see the standby screen.
| Action | Function |
|---|
Short press +/A | Enter soldering mode |
Long press +/A | Enter temperature adjustment (before heating) |
Short press -/B | Enter settings menu |
Long hold -/B | Enter debug menu |
| Action | Function |
|---|
-/B | Scroll through menu options (decline/back) |
+/A | Enter submenu or change setting (accept/enter) |
| Both buttons | Exit current menu level |
Long hold -/B | Exit to standby screen |
| No input for 3s | Show help text for current setting |
If you unplug the device before exiting the settings menu properly, your settings will not be saved.
Profile Mode (MHP30 Only)
The MHP30 hot plate supports profile mode for complex heating sequences.
| Action | Function |
|---|
Long press +/A | Start configured profile |
Long press -/B or both | Exit profile mode |
In profile mode, you cannot manually adjust temperature or enter boost mode.
- Enable in Soldering settings → Allow locking buttons
- While soldering, hold both buttons to toggle lock
- Options: B (boost mode only) or F (full locking)
You can customize button behavior in the settings menu:
- Swap +/- keys: Reverses which button increases/decreases temperature
- Swap A/B keys: Reverses button roles in settings menu navigation