User Manual

2-12
2.14.10 Helpful Hints:
* Be sure to never plug in the radio while the power supply is on or damage may occur to your
printer port.
C You can only use LPT1 as the printer port. Make sure it is enabled in the BIOS.
C The program works best on older, slower computers but has worked on some new PCs
running DOS. A good way to try this out is to make a DOS bootable floppy with the software
on it running the software from the A: drive.
TFM-138B Upload/Download Programming Cable For DOS Program
P/N 943165-4 - Wiring Diagram
FIGURE 2-2 TFM-138B Transceiver PC Download Cable - wiring diagram
(for DOS program only)