Operator's Manual
MM101332V1, Rev. K 
15 IMMERSIBLE P7100
IP
 PREVENTIVE MAINTENANCE 
Those P7100
IP
 radios labeled “immersible” (see Figure 15-1) require periodic testing using specialized 
equipment to verify the radio’s watertight integrity. 
Preventive Maintenance for Immersion-Rated Radios 
P7100
IP
 model radios with Immersion Option HTMR must be serviced by a service 
center authorized and certified by M/A-COM to perform the necessary tests to verify 
CAUTION
watertight integrity. As part of a thorough preventive maintenance plan, M/A-COM 
recommends Immersion-Rated P7100
IP
 portable radios be, at a minimum, tested and 
re-certified on an annual basis. M/A-COM further recommends that the radios be 
tested on or close to the anniversary of the ship date printed on the Model Number 
label on the back of the radio (see Figure 15-1). 
Figure 15-1: Labels 
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