VNA Masterâ„¢ User Guide MS20xxB : Instrument Overview : Front Panel Overview : LED Indicators
 
LED Indicators
Power LED
The Power LED is located to the left of the On/Off button. The LED is solid green when the unit is on and slowly blinks when the unit is off but has external power.
Charge LED
The Charge LED is located to the right of the On/Off button. The LED slowly blinks when the battery is charging and is solid green when the battery is fully charged. It slowly blinks when the unit is off but has external power.