Instruction Manual

DE
DANIELS
ELECTRONICS
Frequency Select Handle Instruction Manual 1-1
1 GENERAL
1.1 Introduction
The Frequency Select Handle provides the ability to select and display the operating frequency of
the receiver or transmitter on the Front Panel. Power is provided from a regulated +9.5 Vdc supply
and draws typically less than 4.0 mA in sleep mode.
1.2 Printed Circuit Board Numbering Convention
To ease troubleshooting and maintenance procedures, Daniels Electronics Limited 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. For example:
• PCB number 43-9120 10 indicates circuit board version 1.0.
• PCB number 50002- 02 indicates circuit board version 2.0.
All PCB's manufactured by Daniels Electronics are identified by one of the above conventions.
1.3 Performance Specifications
Temperature Range: -30°C to +60°C. (Optional -40°C to +60°C)
Supply Voltage: +9.5 Vdc,
Supply Current: less 35 mA
less 4.0 mA standby mode.