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3 Setting Up
Important!
3.4 Powering Up
Important!
3.4.1 Powering Up
in SILENT Mode
Refer to fig. 1.
3.4.2 Powering Up
in LOCK Mode
Refer to fig. 1.
adjustment functions are electronically locked to prevent parameters from being read-
justed unintentionally during a performance or lecture.
2. ACTIVE mode: The transmitter transmits the microphone output signal to the receiver.
All controls are active. You can check all transmitter parameters and set the carrier fre-
quency (refer to section 3.6) and input gain (refer to section 3.8).
3. SILENT mode: Power to the transmitter is ON, but no RF signal is transmitted. The
status LED remains dark. You can check all transmitter parameters and set the carrier
frequency (refer to section 3.6) and input gain (refer to section 3.8).
• We recommend setting the carrier frequency in SILENT mode only. This is the
only way to make sure you won't "go on air" on a frequency that is not allocated
or coordinated and risk "jamming" some other radio service or active radio mic.
Depending on the way you switch power to the transmitter ON, the transmitter will be in ei-
ther LOCK mode or SILENT mode on powering up.
• If you are not sure as to what carrier frequency the transmitter is tuned to, switch
the transmitter to SILENT mode (refer to section 3.4.1 below) and check that the
current carrier frequency is legal and identical to the frequency selected on the
receiver.
1. Push and hold the setup switch (6) until the backlighting of the display (2) comes on.
The display (2) will first show the firmware version and then the currently selected car-
rier frequency in MHz.
As the backlighting goes out, the display changes as follows:
The transmitter is now in SILENT mode.
2. If the carrier frequency is not an allocated or coordinated one and/or different from the
receiver frequency, set the transmitter to a suitable, legal frequency referring to section
3.6.
1. Press the ON/OFF button (3) for approx. 0.6 seconds.
2. As soon as the below screen appears on the display (2), the transmitter is in LOCK mode.
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PT 4500
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