User's Manual

adjusting squelch

(This setting should be adjusted by sound professionals ONLY)

Using a screwdriver turn the control slightly to

the left (counter clockwise) to increase the sys-

tem's range and to the right (clockwise) to

decrease the system's range.

The squelch setting increases or decreases the sys-

tem’s range by disabling the receiver audio when

the transmitter signal is below the threshold point.

It also allows the ability to re-use a channel, pro-

vided that systems coverage area is installed more

than 200ft apart (indoors). For best results, ask someone to help you by wearing the trans-

mitter and walking away from the base station receiver towards the perimeters of the room.

When you begin to hear noisy static, you know you've reached the system's internal range

limits. Increase or decrease the range slightly, and re-test by repeating this step. (In most

cases the system's range will go well beyond the typical classroom.)

If noise or signal interference persists, make sure systems in adjacent classrooms are turned

off. Re-test range and set squelch for the minimum system range to reduce external interfer-

ence. Contact Phonic Ear Service if extra assistance is required.

3745 EL2 System User Guide 2/24/04 4:30 PM Page 59