Safety 1st TR233 Specifikace stáhnout pdf (Strana 31)

SECTION 3 TECHNICAL DESCRIPTION

3.1 GENERAL OVERVIEW

Shown in figure 3.1 is the overall simplified block diagram of the PRM80.

Figure 3.1 PRM80 - Overall Block Diagram

The transceiver consists of three printed circuit board assemblies.

i) Front Panel Board

Containing the liquid crystal display, its driving circuit, push button switches and

display backlighting.

ii) Control Board

Containing the microprocessor with its associated clock and latches, EEPROM

memory, power supply and reset circuit, transmitter audio processing, receiver

audio processing, selective call audio processing and CTCSS signalling option.

Section 3 Page 1

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Safety 1st TR233 Specifikace Strana 31