WMS420 21
Description
The SR420 is a stationary receiver for all channels of the WMS420 system.
The SR420 operates in a switching bandwidth of up to 30 MHz in the UHF carrier frequency
range from 530.025 MHz to 931.850 MHz and can be switched to up to eight different carrier
frequencies.
Front panel
Figure 1: Front panel controls on SR420 receiver
1 ON/OFF: On/off button.
2 VOLUME: This 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.
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Receiver SR420
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