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Parameter Menus
To adjust transmitter settings, use the arrow buttons to access and edit the parameter menus.
Group (G) and Channel (Ch)
A group is a set compatible frequencies. A
single frequency within a group is a channel.
G: Change the group
Ch: Change the channel
Frequency
Manual frequency selection in
25 kHz increments.
Gain
Adjust the gain to set the input sensitivity level.
Gain range is -10 to +40 dB in 1 dB steps.
RF Mute
Disables or enables the RF carrier signal.
TX On: RF signal enabled
TX Off: RF signal disabled
Unlink
The Unlink command ends the Linking
relationship between a transmitter and
a receiver.
YES: Ends the Link between a transmitter and
a receiver.
NO: Preserves the Link between a transmitter
and a receiver.
Note: When a transmitter is Unlinked, the
channel name will revert to Unlinked.
Troubleshooting
Input Overload
The Input Overload message indicates an excessive signal level at the
transmitter input. To prevent overload, reduce the gain setting.
No ShowLink Alert
This alert appears when frequency is edited on a linked transmitter that
is beyond the range of an active ShowLink access point. Choose OK to
unlink the transmitter and complete the frequency change, or Cancel to
return to the home screen.
Firmware Updates
Firmware is embedded software used to control features and the user interface. Periodically, new versions of firmware are available for download from
www.shure.com/wwb to incorporate additional features and enhancements. New versions of the firmware can be downloaded to AXT400 Receiver using
the Firmware Update Manager tool available in WWB6 software and installed on the transmitter using the infrared ports on the transmitter and receiver.
To access the AXT400 receiver firmware update menu:
ShowLink Test
Activates the ShowLink test 5-bar display
to measure the remote control range of a
ShowLink Access Point.
• 5 bars indicate the center of the
coverage area
• 1 bar indicates the outer boundary of the
coverage area
• If bars are not displayed, ShowLink control
is not available
Firmware
Displays the firmware version installed
in the transmitter
Device ID
The Device ID identifies the transmitter on a
network in WWB software or when Linked to a
receiver.
• ID length can be up to 8 characters
• Use arrow buttons to scroll through
characters
• Use set button to save and move to the next
character
Deeply Discharged Batteries
Deep discharge occurs when a battery is discharged to less than 3.0
volts. The battery chargers have a Recovery mode designed to restore
charge to a deeply discharged battery.
When the charger detects a deeply discharged battery, it automatically
enters Recovery mode which supplies reduced current to the battery for
up to 30 minutes.
If recovery is successful, the charger will exit Recovery mode and charge
the battery to capacity. If the battery cannot be recharged, charging stops
and the battery must be replaced.
Tx > IR Presets > FW Update
7
AA Type
Sets the AA battery type (Alkaline, NiMH,
Lithium) to ensure accurate battery metering
when using the optional AXT913 3-AA battery
sled. The AA menu is only displayed when the
transmitter is powered by the sled.
RF PWR
From the main menu screen, press and hold
the set button and the ▼ button to edit the RF
power level.
Use lower power settings to conserve battery
life and to prevent RF overload at the receiver.
Note: A password is required in some regions.
PCB Serial Number
Use this menu to view the serial number of the
printed circuit board (PCB) installed in the unit.
1. From the main menu screen, press and
hold the ▼ and "set" buttons to enter the RF
Power screen.
2. Press the▲ button to access the serial
number.
3. Momentarily press the power button to
return to the home menu screen.
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