Specifications

52 MT-550
10. REFERENCES
10.1 Maintenance
The MT-550 VHF transceiver is produced with proven processes and current solid
state technology. With reasonable care, your MT-550 will have a long useful life.
The following precautions will prevent damage to the transceiver.
• Never press the PTT button unless an antenna or proper dummy load is
connected to the antenna jack.
• Do not operate the transceiver if the power source is not within the specified
range of 11 to 16 Vdc.
• Replace the antenna and/or coaxial cable if damaged in any way or severely
weathered.
• Avoid continuous direct sunlight on the LCD.
• Avoid overextending the microphone cable.
• Do not use solvents or harsh chemicals to clean the microphone, casework or
LCD display.
10.2 Special Functions
Clear Memory Channels
Clears the channel bank for the Memory Scan function.
• Press and hold the
MEM
key while turning power On.
New Microphone
Initializes the keypad when a new microphone is installed.
• Press and hold the
1
key on the microphone while turning power On.
Printer Operation
Initializes the Tx port for 4800 baud PC/printer interface.
• Press and hold the
16
key while turning power On.