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Resumen del manual
290 g (including antenna and Ni-Cd batteries) Transmitter section Output power Hi; 1.0W, Low; approx. 1 50 mW Modulation system Reactance modulation Max. frequency deviation ±5 kHz Unwanted reflection Less than -60 dB Microphone Condenser type Receiver section Reception system Double superheterodyne Intermediate frequency 1st; 21.6MHz 2nd: 455kHz 1 st: 16.9MHz 2nd: 455kHz 1st: 16.3MHz 2nd: 455kHz Sensitivity S/N more than 26 dB at -6dB/u (0.5 /A/) input S/N more than 28dB at-6dB// (0.5/A/) input 1 2 dB SINAD; less than -1 2 dB/x (0.25 /A/) Squelch sensitivity Less than 0.2/A/ Less than 0.2/A/ Less than 0.25/A/ Selectivity -6 dB at more than 12 kHz -40 dB at less than 28 kHz AF output More than 250 mW (8Q load, distortion 10%) Design and specifications subject to change without notice. 4 3. Battery notes 3.1. Recharging the battery pack • Plug the BC-3 into the AC line outlet and interconnect the adapter to the battery pack PB-21. At this time, be sure the polarities. While recharging is correctly in progress, the red LED on the BC-3 lights. However, the LED remains lits while the BC-3 is still connected to the AC line outlet. Therefore, unplug the BC-3 after 8 hours of recharging. Notes: 1. Recharging should be done within ambient temperature between 10°C and 40°C. Recharging performed out of this range may not fully charge the battery pack. 2. Excessive charging, if happened, the battery performance and its life may lessen. Interconnect the PB-21 and the adapter as the lever BC-3 PB-21 • Align the grooves in the battery case and unit and slide in the battery case to the right. Slide to the left to remove the battery case. 3.2. Operation time with AAA batteries The operation time with a repeated 1 minute TX and 3 minute RX cycle is approximately 40 minutes with manganese batteries and about 90 minutes with alkaline manganese batteries. To communicate over a short distance, set the Hi/Low switch to | LOW | to conserve power and thus extend operation time. When the batteries are exhausted and the [ON AIR[ indicator lights dimly, replace the batteries with new ones. 4. Controls and their functions © VOL control (Volume control/power switch) • This knob is dual-purpose; power switch and volume control. • When this knob is turned clockwise, power is supplied. • When this knob is further rotated, the volume level increases. (2) MIC jack (Microphone jack) • Used in combination with the SP jack, for connection of the optional speaker/microphone (SMC-30) or headset with VOX (HMC-1). Do not use other microphones other than the SMC-30 and the HMC-1, or damage of the transceiver may result. (Because of DC voltage is present at the plug.) • When the plug is inserted in this jack, the built-in microphone is automatically disconnected. (D SP jack (Speaker jack) • Connect an external speaker or earphone. • Used with the MIC jack, for optional SMC-30 or HMC-1. • Wh...
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equipamiento barco - TH-41A (1.42 mb)