MIPRO ACT-100A User Manual
UHF Dual Channel Diversity
2 CE 3 6 5 C
Wireless Microphone System
ACT-100
User Guide
All rights reserved. Do not copy or forward without prior approvals MIPRO.
Specifications and design subject to change without notice. MN 014/08
ACT-100A/ACT-100B
Dual Channel Wireless ReceiverDual Channel Wireless Receiver
Thank you for selecting MIPRO dual channel wireless microphone system.
Before operating please read this instruction manual carefully and thoroughly
in order to attain the correct operating procedures and achieve the best
results.
This system is a dual channel wireless receiver with two microphones. MIPRO
designs a sophisticated CPU inside the system that can automatically
differentiate the receiving signal strength from the 2 antennas of the receiver.
When an antenna is at its "Receiving Dead Point" and noise interference
starts, the CPU will automatically adjust the system to the antenna that has
stronger signal receiving to avoid signal dropouts and noise interference at
the moment when the wanted signal falls below noise signal. The system has
a "NOISE" indicator to display if the system is under interference and a
newly-added balance adjuster to adjust the volume of both microphones.
This system includes the following accessories:
Audio Output Cable ×2 User Guide ×1
Antenna ×2 (ACT-100A/ACT-100B)
AC/DC Adapter ×1
ACT-100A/ACT-100B Dual-channel Diversity Receiver
Profile
ACT-100 system design has proprietary high performance RF filter and circuitry
improve anti-interference characteristics and increase system compatibility. Ideal for
general stages and professional karaoke applications.
ACT-100A/ACT-100B Key Features
1. EIA-standard 19" 1-rack unit metal chassis with silver gray front panel.
2. Bright RF & AF 5-segment LED meters. Antenna connector on the back panel
connects to a coaxial antenna or extended antenna and provides bias to antenna
booster. Antenna divider can be added or complete MIPRO's antenna systems
ensure best result for both optimal reception and reliable signal quality.
3. Industry's only "NOISE" LED indicator and "sensitivity adjustor". Allows users to
identify the presence of wireless interference and provides adjustability to avoid
problems.
4. Enhanced RF filter and circuitry improve anti-interference characteristics and
increased compatible systems.
5. PLL-synthesized system in UHF band ensures stable performance and low
spurious.
6. Each receiver is preset with 10 channel groups and 102 frequencies total. Easy,
fast and precise channel set-up with preproitary "AutoScan" & "ACT " technology.
7. Innovative CPU controlled dual antenna diversity reception and Pilotone &
Noiselock dual squelch controlled prevents from signal dropout and noise
interferences from computers, karaoke machines and DVD players.
8. 3-step switch for optimum output volume. Output volume is preset to accurately
match the sensitivity of the capsule, adjustment of volume is no longer required
to avoid saturation distortion and ensure user always obtain the optimal output
level and dynamic range.
9. Connects to MIPRO antenna systems.
10. Innovative audio balance tuner replaces traditional design to ensure mixed output
volume of two wireless microphones.
11. High dynamic range and fidelity reproduce the true sound at any sound level for
ACT-100 Dual-channel Diversity Receiver with Built-in Antennas
Profile
New ACT-100 system incorporates a built-in antenna design. All other features and
benefits are the same as ACT-100A system. Ideal for large-scale karaoke and KTV
establishments.
0
1
Dual Channel Wireless ReceiverDual Channel Wireless Receiver
1. Part Names And Functions
A. Front Panel
5
6
10
13
SENSITIVITY B
18
12
19
NOISE
B
B
RF AF
CHANNEL
GROUP
1516171411
20
(Figure 1)
9
SENSITIVITY A
NOISE
A
A
BALANCE VOLUME
CHANNEL RF AF
GROUP
3
1
1
Power Switch & Indicator: When switch is turned on, red indicator
2
874
illuminates to denote normal power status.
20
2
ACT Button: Press to synchronize transmitter and receiver frequencies
autotically.
16
3
Group Button: For selection of Group.
17
4
Channel Button: For selection of Channel.
5
18
Group LED Screen: Indicates the selected numeric group.
6
19
Channel LED Screen: Indicates the selected numeric channel.
14
7
RF Signal Indicators: Indicates received RF signals from transmitters.
15
8
Audio Signal Indicators: Indicates the microphone signal.
13
9
Noise Warning Indicator: Red light glows denoting the presence of
interference.
10
12
Sensitivity Adjuster: To adjust receiver sensitivity that ensures no
noise output if receiver is not receiving signals from transmitters.
11
Microphone Balance Volume Adjuster: Allow users to adjust the
mixed volume level of two microphones to a balanced or different level.
Adjuster is factory preset for balanced level.
21
Rackmount Bracket: To install the receiver into an EIA 19-inch
standard rack case.
B. Rear Panel
ACT-100A/ACT-100B
23
22
21
252526
24
27
28
29
30
ACT-100
23
22
Antenna B input Connector: To install Antenna B. (ACT-100A/
26
24
27
28
29
(Figure 2)
ACT-100B)
23
28
Balanced Audio Output Jack: With Cannon / XLR type connector
provides balanced audio output signal from this jack to the amplifier.
24
Unbalanced Audio Output Jack B: 1/ 4λ Phone Jack provides
unbalanced audio output signal from Channel B or the mixed output
signals from Channel A & B. (Depend on the position of the unbalanced
mixed switch .)
25
Unbalanced Level Switch: "0dB" selection is for "Microphone-level"
26
output. "+10dB" selection is for "AUX level" output. "-6dB" selection is
for half of cable microphone volume.
26
Unbalanced Mixed Switch: System will have mixed AF output when
switch to "MIXED" position. AF signal from both Channel A & B will be
transmitted from "Output B" only. When switch to "SEPARATE", AF
signal will be transmitted separately from "Output A" and "Output B".
27
DC Input Jack: To connect 12V/1A DC from the AC/DC adapter.
29
Unbalanced Audio Output Jack A: 1/ 4λ Phone Jack provides
unbalanced audio output signal from Channel A.
30
Antenna A Input Connector: To install Antenna A. (ACT-100A/
ACT-100B)
2
3
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