Sennheiser EM 3731-II, EM 3732-II Squelch, Squelch, Booster, Booster Feed Off, Turn the jog dial, Adjusting the squelch threshold, To adjust the squelch threshold:

Adjustment tips for the operating menu

5

EL 30

ame Squelch Boostquel

		300
	30 ∝V	∝V	30
		30
		10
		3
		7 8
DEV	M	save	digital audi
	777.005 Hz	sync	processing
	U.01 CH
	BANK AF COM esc

sync

0 +12

uelch Booster AF O

￿Repeat the last two steps to enter the remaining characters.￿After you have entered the six characters of the name, press the save button 8.

The name is stored. The display changes to the selection mode of the operating menu.

In order that the name is displayed on the status display, you may have to change the status display (see “Selecting the status display” on page 38).

Adjusting the squelch threshold

Both receivers are equipped with a squelch that can be adjusted via the “Squelch” menu. The squelch eliminates annoying noise when the transmitter is switched off. It also suppresses sudden noise when there is no longer sufficient transmitter power received by the receiver.

The squelch can be adjusted in 13 steps from 0 to 30 μV. Selecting a smaller value reduces the squelch threshold, selecting a higher value increases the squelch threshold. Adjust the squelch threshold – with the transmitter switched off – to the lowest possible value that suppresses hissing noise.

If you adjust the squelch threshold to a high value, the transmission range will be reduced. Therefore, always adjust the squelch threshold to the lowest possible setting.

If you adjust the squelch threshold to “0”, the squelch is switched off. If no RF signal is being received, hissing noise will occur. This setting is for test purposes only.

To adjust the squelch threshold:

￿Before adjusting the squelch threshold to a different setting, set the volume on a connected amplifier to the minimum.

￿Change to the setting mode of the “Squelch” menu. The current setting starts flashing.

￿Turn the jog dial 7 to change the squelch threshold. The new setting becomes effective immediately.

￿After you have adjusted the desired squelch threshold, press the save button 8.

The squelch threshold is stored. The display changes to the selection mode of the operating menu.

Switching the booster supply voltage on/offIf you connect antenna boosters (e.g. AB 3700) or active antennas (e.g.

A3700, AD 3700), select “Booster Feed On” in the “Booster” menu so that the LEDs N and S light up; if you do not connect antenna boosters or

active antennas, select “Booster Feed Off” in the “Booster” menu so that the LEDs N and S do not light up.

The booster supply voltage is short-circuit proof.

If you connect active antennas or antenna boosters, the current consumption of the overall device is increased.

If the booster supply voltage is switched on, it remains switched on even when the receiver is switched off or muted.

32