6
Setting Instruction
Input (Configuration Introduction)
CAP 532 is suitable for collective antenna application with its own booster, filter, combiner,
channel converter, equalizer, and amplifier. Moreover, there are 4 VHF/UHF inputs and 1 FM
input in this device to receive different terrestrial TV/FM signals.
Pre-Amplifier
Under the level of each inputs (
RF-IN1
to
RF-IN4
), user can choose to turn on/off the amplifier.
The pre-amplifier option increases the signal power, but it also increases the system noise and
may degrade the signal quality. Misusing pre-amplifier could significantly increase distortion and
consequently reduce the signal quality in the output. Therefore, it is recommended to know
about signal quality on the input side (gain, tilt, bandwidth, and noise figure) when applying
pre-amplifier to measure its impact on the output side.
Recommendation: Turn on the Pre-Amplifier only when the input signal level is too low
(Lower than 60
dBμV)
. The user may refer to the automatic input signal power level
measurement when adding a channel on CAP 532.
NOTE: Even target channel’s signal level is low but other high levels’ channels in the same
band could saturate Pre-Amplifier and cause poor signal quality. Refer to all receiving
channels’ quality to decide turn on pre-amplifier or not.
RF-IN1
Pre-Ampli
Pre-Ampli
Off
Pre-Ampli
On
