Description
SR 45 receiver
The SR 45 is a stationary receiver for use with all transmitters of the Perception wireless
system.
The SR 45 operates within a switching bandwidth of up to 30 MHz in the 500 to 865 MHz UHF
carrier frequency range and offers up to 8 selectable carrier frequencies.
Front panel
Figure 1: Front panel controls on SR 45 receiver
1 ON/OFF: On/off button.
2 VOLUME: This retractable rotary control allows continuous adjustment of the audio output
level.
3 RF OK: This LED lights up to indicate that signal is being received. If no signal is received or
the automatic squelch is on, the RF OK LED goes out and the audio output is muted.
4 Display: Shows the selected receiving channel.
5 CLIP: This LED lights up if the audio level is too high.
6 CHANNEL: This button allows you to select one of up to 8 different carrier frequencies
within the receiver's carrier frequency range.
Perception wireless
21