General Dynamics C4 Systems URC-200 (V2)
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SAFETY
CAUTION
To comply with RF exposure requirements, a minimum separation distance of
20 cm (7.9 inches) is required between the antenna and all persons while the
transceiver is transmitting. ManPack (backpack) and hand-carry users should
not exceed 50% duty cycle, as this approaches RF hazard limits and reduces
battery life.
CAUTION
Several conditions must be observed when using the UVU-100 LOS antenna
mounted on the transceiver's front panel, as serious damage to the transceiver
may result if high RF power is allowed to leak into the interior of the transceiver
directly from the antenna.
1. Transmit ONLY with the cover of the transceiver securely fastened in place.
2. Use ONLY vendor supplied power supplies, such as the RF shielded battery
case (UBC-100) or power supply (UAC-100).
3. Use ONLY tempest approved shielded cables with the REMOTE connector.
CAUTION
When performing a self-calibration, the radio antenna port(s) must be attached
directly to a good 50 ohm load(s). BNC type loads are acceptable. Use of a
Type N to BNC adapter is recommended on the 30-90MHz antenna port (if
present). The use of attenuators (instead of 50-ohm loads) or cables between
load and antenna port can lead to calibration errors if there are strong RF
signals present. Failure to follow the above procedure can result in severely
degraded performance.
CAUTION
DO NOT attempt to change the operating frequency while the transmitter is
keyed on. Although the radio set will not be damaged, the radiated frequency
will be uncontrolled during tuning and can cause unnecessary interference to
other radio systems.
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