User's Guide

Enhanced AM/FM Synthesizer Instruction Manual OS(R/T)-3(A/H) 29 - 470 MHz 1-5
1.4 Printed Circuit Board Numbering Convention
To expedite troubleshooting and maintenance procedures, Daniels Electronics Ltd. has adopted a
printed circuit board (PCB) numbering convention in which the last two digits of the circuit board
number represent the circuit board version . All PCB's manufactured by Daniels Electronics Ltd.
are identified by one of the following numbering conventions:
• PCB number 43-912010 indicates circuit board version 1.0; or
• PCB number 50002-02 indicates circuit board version 2.0