Panasonic EB-GD93 Service Manual page 41

TEST AND MEASUREMENT
Battery Calibration Voltage Control Unit (Part No. JT00010)
The Battery Calibration Voltage Control Unit (BCVCU) provides three voltage levels (3 V, 4.1 V and 0 V) to the Test Battery,
and is used during battery calibration checks. It is powered from the Interface Box.
10163-1
Figure 6.6: Battery Calibration Control Unit
6.3.5. Channel Box Software
This is the test software for the telephone unit and should be installed onto the personal computer to be used for testing.
MCUK001002C8 Section 6 Issue 1
Service Manual – 35 – Revision 0