Specifications

Zaxcom TRX-900LT Series Manual Extended Menu
9
UHF Signal Format
This menu adjusts the transmission format
• US MONO - This format is used for mono transmission. It is used by customers in the US and other
countries where a 200 kHz channel is legal.
This setting will be used with 0=US on the Zaxcom ENG receiver or NORMAL on the QRX
• STEREO -This format is used for stereo transmission of a TRX900LAS. It is used by customers in the
US and other countries where a 200kHz channel is legal
This setting will be used with 2=ST on the Zaxcom ENG receiver or NORMAL on the QRX
• EUROPEAN -This format is used for European customers and other countries where a normal width
channel is NOT legal.
This setting will be used with 1=EU on the ENG Zaxcom receiver or NARROW on the QRX
• US MONO-R -Similar to US MONO. This can be used to force mono audio to the right channel.
This setting will be used with 0=US on the Zaxcom receiver
UHF Transmitter Power Level - only available on the TRX900LTH and LTHS
This menu adjusts the UHF transmit power of the transmitter.
• The TRX-900LTH/LTHS can be set at 25, 50 or 125mW
Power Roll - only available on the TRX900LTH and LTHS
This menu adjusts the Power Roll setting of the TRX-900LTH/LTHS.
Power Roll will allow the transmitter to stay in a lower transmit power setting to conserve battery
power, then when you begin to record the transmitter will increase the transmit power.
• OFF – Power roll is disabled
• DIVA TRIGGER – A command from a Zaxcom recorder will set the transmitter to full power.
• RECORD TRIGGER – When the transmitter goes into record either manually or from an AUTO-LOAD
trigger the TRX-900LTH/LTHS will go to full power.
TX FORMAT:
US MONO
TX POWER: 125 MW
POWER ROLL:
OFF
IMPORTANT: If the Transmission Format set here and the Reception Format on the associated receiver
do not match, the receiver will be unable to correctly decode the audio from this transmitter.
IMPORTANT: Any change to this page REQUIRES a reboot before the new setting takes effect.