Test Products International 460 - Manual (Page 45)

4. Reverse the instrument again, so that you can see the battery connections entering the
instrument. Gently pull the leads back and downwards so that the plug releases without
catching onto the inside of the case.
5. Note the battery type that you have just removed as a double check with the type you
are going to replace it with.
6. If you are going to dispose of the old battery, mark it for proper disposal. Ni-MH
batteries should not be incinerated in standard incinerators or crushed.
Assembly
1.
The 460 uses a TPI A006 replacement 4.8V rechargeable Ni-MH battery. Unpack and
check the battery type and the existence of a 4-pin plug on the end of the leads. The
battery comes uncharged and will need to be fully charged after installation.
2. Refer to Figure B-3 and install the connector into the battery compartment socket.
Note that the red leads are to the right of the connector. The leading edge of the
connector is best inserted slightly upward and forward.
3. Refer to Figures B-2 and B-3, and install the battery into the compartment, connector
end first. Fold the wires in a single fold to the left, keeping the wires at the top of the
compartment.
4. Check the wires are inside the perimeter of the battery case housing and replace the lid
above the battery. Insert slight pressure on the lid to determine if the wires are properly
folded inside. Insert the two screws and tighten down without using excessive force.
5. Turn the unit over and insert the power charging plug. Set the instrument aside to fully
charge. --Typically 12-hours for the initial charge.
6. Refer to Chapter 2 and perform the 460 setup with special emphasis on setting up the
initial contrast setting. Note that even after fully charging the batteries, a low contrast
setting may make the screen difficult to read until adjusted.
B-3
460 User s Guide Maintenance