AKG Acoustics WMS 400 user manual Setting the Squelch Threshold, TRA Save Y Save N Extra

3 Setting Up

• To retrieve the other results press or briefly. Dropouts are indicated like this (Example 1):

Example 1: Dropout no. 1 occurred after 124 seconds.

•The first storage locations are assigned to dropouts, the last two for the lowest RF level and highest audio level measured (Examples 2 and 3).

Example 2: Minimum RF level: -90 dB

Example 3: Maximum audio level: 0 dB

• The last item in the result list is followed (the first item preceded) by the "EXIT" option.

EXTRA

X-TRA

>NAME<	>STATUS<	>SQL<
X-TRA	X-TRA	X-TRA

3.10.2Setting the Squelch Threshold

">-80< dB"	">-90< dB"		">-100< dB"
X-TRA	X-TRA		X-TRA
	SAVE >Y<		SAVE >N<
	>X-TRA<		>X-TRA<
		EXTRA
		X-TRA

The display indicates the setting cur- rently in memory, e.g., "-90 dB". Use and to select one of the following set- tings: -80, -85, -90, -92, -94, -96, -98, -100 dB.

Never set the squelch threshold any higher than absolutely necessary. The higher the squelch threshold (-80 dB = max., -100 dB = min.), the lower the sensitivity of the receiver and thus the usable range between transmitter and receiver.

Diagram 9: Setting the squelch threshold.

1.Be sure to assign a separate carrier frequency to each wireless channel (transmitter and receiver).

2.To find intermodulation-free carrier frequencies quickly and easily, we recommend using Auto Preset to select all required carrier frequencies from the same Frequency Group within the same Preset.

3.11 Multichannel Systems

If reception on the selected carrier frequency is poor, use Auto Channel Setup (refer to section 3.9.2) to find the next clean Subchannel within the selected Frequency Group. Should you find no clean Subchannel, use Auto Group Setup to select a different Frequency Group within the same Preset and select a new frequency for each WMS 400 channel (refer to sections 3.9.1 and 3.9.2).

3.Do not operate two or more wireless channels on the same frequency at the same time and location. This would cause unwanted noise due to radio interference.

1.Select the frequency of the receiver for channel 1 using the Auto Group Setup screen (refer to section 3.8.1 above).

2.Switch ON all radio microphones except the one for channel 1, personal monitor transmitters, etc. (including even those made by other manufacturers) to be used at the venue! This is the only way to make sure the receiver will find frequencies that will be free of any mutual interference during the per- formance.

3.Use the Auto Channel Setup screen to find the optimum frequency (CHANNEL) for the receiver (see next page).

Note:

3.11.1Selecting Frequencies for Multichannel Systems (Auto Channel Setup)

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WMS 400 V 1.10