Botech BT-100 HD, Руководство пользователя

Страница: 43 / 48

41
Audio muting Press the MUTE button
TV Power Turn TV on.
The receiver can’t receive the
signal. Check the antenna cable, replace the
cable, or connect the cable to the
receiver tightly. No picture.
Incorrect values of some tuner
parameters. Set the values of tuner parameters
correctly. Refer to the Installation menu.
The UHF Antenna is not
Pointing. Adjust the antenna.
Signal too strong. Connect the signal attenuator to the
signal input.
No or bad signal.
Antenna is too small. Change to a larger antenna.
The remote controller
does not operate. The batteries of the remote
controller are not inserted or
exhausted. Check whether the batteries are inserted
correctly in your remote controller.
Check and replace the batteries of the
remote controller.
Poor picture quality.
Less channels in
scanning.
Signal loss cable. Change the antenna power in Antenna
menu.
A.2 Technical Specifications
1. Tuner & Demodulator
Parameter Specifications
Input Frequency Range 950MHz to 2150 Mhz
RF Input Signal Level -25 to -65dBm
RF Impedance 75 W
IF Bandwidth 55MHz/8MHz(Under 5Msps)
LNB Power 13/18DC, 14/19V +/-5%, 0.5Amax, 0.8Apeak overload protected
LNB Tone Switch 22kHz +/-2kHz, 0.6Vpp +/-0.2V
DiSEqC Control Version 1.2, Tone burst A/B
Demodulation QPSK, QAM256, VSB, 64QAM
Symbol Rate 1~45Msps/SCPC, MCPC