The battery can be replaced without the use of tools. The battery compartment is located on the lower left side of the instrument (when you are facing the measurement display). Refer to Figure: Battery Compartment. To remove the battery:
1. Slide the catch toward the bottom of the instrument.
2. Tilt the top of the door away from the unit.
3. Lift out the battery door.
4. Remove the battery pack from the instrument by grabbing the battery lanyard and pulling out.
Replacement is the opposite of removal. The battery key‑way side (slot below the contacts) must be facing the front on the unit and slides in first. Press the battery inward firmly to seat the contacts, then reinstall the door.
Note
When inserting the battery, the battery label must face the back of the instrument, and the guide slot on the battery must be below the contacts. If the battery door does not latch closed, the battery may be inserted incorrectly.
Battery Compartment
The battery that is supplied with the VNA Master may need charging before use. The battery can be charged while it is installed in the VNA Master by using either the AC‑DC Adapter or the DC adapter, or outside the VNA Master with the optional Dual Battery Charger. Refer to Symbols and Iconsfor a description of battery symbols.
Note
Use only Anritsu Company approved batteries, adapters, and chargers with this instrument.
Anritsu Company recommends removing the battery for long‑term storage of the instrument.
Caution
When using the Automotive Cigarette Lighter Adapter, always verify that the supply is rated for a minimum of 60 Watts at 12 VDC, and that the socket is clear of any dirt or debris. If the adapter plug becomes hot to the touch during operation, discontinue use immediately.
