
Okayo Portable PA System
10
Fitting Additional Modules
Fitting C 7187C UHF Wireless Microphone Receiver Module
1. Ensure portable PA is NOT connected to mains power. Disconnect all input cables.
2. Unscrew the ‘half width’ blanking panel at the top of the rear panel (see figure 2).
3. Slide the UHF module in, ensuring the board slots into the connector at the rear of the expansion bay.
4. Screw the module into the rear panel.
All PA models feature a blanking panel with the system power switch mounted on it (see figure 2). This panel is
replaced by the C 7189C module.
Fitting C 7189C Audio Link Transmitter - See user manual for C 7189C.
Transmitter Operation
All portable PA’s equipped with a UHF wireless microphone module are compatible with the C 7192C, C 7193C
handheld and C 7195C beltpack transmitters. All transmitters are sold separately. See figures 8 and 9.
1. Ensure microphone is switched off before inserting batteries.
2.
(Handheld)
Remove lower housing and battery clip. Insert two AA batteries
(alkaline or rechargeable’s are recommended).
(Beltpack)
Remove battery clip. Insert two AA batteries (alkaline or rechargeable’s are recommended).
3.
(Handheld)
Press and hold the power switch for three seconds (located on the base of the microphone). The power
LED will illuminate red and “ON” will be displayed on the LCD screen. Note: power switch is more easily accessed
with lower housing removed.
(Beltpack)
Slide the top mounted power switch to ON. The power LED will illuminate red and “ON” will be displayed
on the LCD screen.
4.
(Handheld)
A selection switch on the rear of the microphone provides three level settings (mute, mid & high)
depending on the application or environment in which the portable PA is to be used. Mute setting allows microphone
to be put on standby without switching the power off.
(Beltpack)
A selection switch on the side of the beltpack provides three level settings (low, mid & high) depending
on the application or environment in which the portable PA is to be used. The mute button allows beltpack to be put
on standby without switching the power off.
5. The LCD screen will display the channel selected. To determine which frequency this channel is operating on, press
the UP or DOWN frequency adjustment buttons.
6. Press the frequency set button for two seconds. The LCD screen will flash the currently selected channel number.
You can cycle through the channels by pressing the UP or DOWN frequency adjustment buttons. Press the frequency
set button again to lock in your channel selection.
7. The battery status is displayed on the left of the screen. When battery capacity is critical the icon will flash three
times before switching the microphone off automatically.
8.
(Handheld)
To turn the microphone off press the power button for three seconds
until the LCD screen displays “OFF”
(Beltpack)
To turn the microphone off slide the power switch to the off position until
the LCD screen displays “OFF”
9. When using with rechargeable NiMH batteries, connect a DC 5V plugpack (Altronics M 8909A plus M 9187 tip
adaptor) to the charging port on the base of the microphone. Charging time is dependant on the capacity of
batteries used, typically 10-12 hours charging is required. If battery icon is flashing when charger is connected,
ensure rechargeable batteries are inserted in the microphone. If batteries have failed both the battery icon and
screen backlight will flash.
During normal charging the battery icon will cycle through the charge “block” icons. Once full capacity is reached the
full battery icon and all “blocks” will be displayed.
Note: microphone is unable to be used during charge process.