Phonic Ear frontrow tempo 230R User Manual page 37

4747 230R Multi-Freq User Guide
adjusting squelch
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(This setting should be adjusted by sound professionals ONLY)
apart (indoors). For best results, ask someone to help you by wearing the transmitter 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.
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Using a screwdriver turn the control slightly to
1
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 are installed more than 200ft