User guide
PART NAMES AND FUNCTIONS
Antenna “A” Front Mount: Allows an optional FBC-71 rear-to-front antenna
cable for front antenna placement.
Receiver Display: Color VFD.
Power On/Off Button: Press and hold button to power on and power off.
Antenna “B” Front Mount: Allows an optional FBC-71 rear-to-front antenna
cable for front antenna placement.
Rear Antenna “B” Input Connector: The “B” antenna can be installed directly
to this antenna connector which also provides power to an optional antenna
booster.
Balanced Audio Output Jack: XLR type connector provides balanced audio
output signal from this jack to the mixer, and output level selectable from among
3 levels:
“-6dB” , “0dB” and “+16dB”.
Level Switch: “0dB” selection is for “Microphone-level” output. “+10dB” selection
is for “AUX level” output. “-6dB” selection is for half of cable microphone volume.
Unbalanced Audio Output Jack: 6.3mm (1/4”) PHONE PLUG type connector
provides unbalanced audio output signal from this jack to the mixer. Output level
is selectable from among 3 levels: “-6dB”, “0dB” and “+10dB”.
Balanced and Unbalanced Output Switch：Switch to “MIXED” mode, audio
from both channels will be mixed out from BALANCED OUTPUT B and
UNBALANCED OUTPUT B . Switching to “SEPARATE” mode (available in
ACT-52B only) and each channel has individual output.
DC Input Jack: For 12 volt DC supply.
Rear Antenna “A” Input Connector: The “A” antenna can be installed directly
to this antenna connector which also provides power to an optional antenna
booster.
Rack-Mount Brackets: To install the receiver into a standard 19-inch rack case.
Auto Power On/Off Switch:
ON position: The receiver turns on automatically when plugged-in during “ON”
position.
OFF position: The receiver needs to be powered-on & off manually by pressing and
holding the Power On/Off Button during “OFF” position.
Note: Default = “OFF” position.
GND Connector: For grounding protection and stabilization.
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Diversity Receivers Diversity Receivers
Rear Panel:
ACT-51B / ACT-51
ACT-52B / ACT-52
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14
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5 7
6 121110
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CHA NNEL 1
SQ
AF
A
B
1 2
3
4
5
6 7 8
MHz
GRP
BAT
CHA NNEL 2
SQ
AF
A
B
1 2
3
4
5
6 7 8
MHz
GRP
BAT
CHA NNEL 1
SQ
AF
A
B
1 2
3
4
5
6 7 8
MHz
GRP
BAT
Front Panel:
ACT-51B /ACT-51
2
3
4
1
ACT-52B / ACT-52
6
1
1
15
15