TM9300/TM9400 Installation Guide Safety and Regulatory Warnings 11
© Tait International Limited August 2020
1.10 Non-standard Radio Installations
The installation U-cradle described in this guide has been designed so that
there is enough airflow around the radio to provide cooling.
If a non-standard installation method is used, care must be taken that
sufficient heat can be dissipated from the heatsink fins and the ridged
bottom surface of the radio.
There must be a gap of more than 3/8 inch (10mm) between the bottom
surface of the radio chassis and the mounting surface. This is illustrated in
the following diagram:
1.11 Negative Earth Supply
The radios are designed to operate only in a negative earth system.
3/8 inch (10 mm)
mounting surface
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