Surtronic Duo Storage mode
Function buttons
Unit power / Measure button - Seperated mode
Power 
• Both the display unit and the traverse unit will need to be 
powered On/Off individually. There is no specific order of 
preference. Hold the red power button for 3 seconds or more to 
switch Off/On.
Measure 
• Press the red button on the display unit for < 3 seconds
‘Connected’ mode ‘Storage’ mode
Slides 
apart