HP Agilent 3478A 5.5 digit LCD Digital DMM Multimeter GPIB -Uncalibrated

The old battery was disconnected when I opened the top cover (3rd picture). I have removed the old battery and have not installed a new one (4th picture).  You will need to install a new battery and re-calibrate.

Inputs tested were:

5VDC                                 -> ok
5 VAC                                -> ok
100K Ohm (2W & 4W)      -> ok
1mA DC                             -> ok
1mA AC                             -> ok

Power cord and leads not included.
GPIB is working ok.