Radio volume (7), Radio squelch, Cockpit speaker – PS Engineering PAR200 User Manual
Page 29: Adio, Olume, Quelch, Ockpit, Peaker

PS Engineering Inc. ®
PAR200 Audio Selector Panel, COM radio Controller and Intercom System
Installation and Operator’s Manual
200-228-0000
Page 3-5
Rev. 4, Dec. 2013
Bandwidth (kHz)
Frequency
Displayed
25
118.10000
118.100
8.33
118.10000
118.105
This format is continued through to 136.990
8.33
136.99166
136.990
3.6.3
Radio Volume (7)
Push and hold the small frequency-select knob for one second, until the display changes to the menu.
Turn the large knob to adjust the aircraft radio volume.
You can push the knob again to return to the frequency display, or the display will revert automatically
after five seconds without any activity.
3.6.4
Radio Squelch
To defeat the automatic radio squelch, push and hold the frequency knob until the display changes to
ASQ OFF, which defeats the squelch and you will hear any weak signals.
Press the right hand side rotary selector knob again until you get the ASQ ON, to restore the Automatic
Squelch.
Figure 3-3 Radio Squelch on/off
3.6.5
Cockpit Speaker
When the cockpit speaker is turned on, any receiver audio selected will be heard in the speaker. Any
unswitched audio will always be present in the cockpit speaker regardless of the speaker on/off selection.
To activate the cockpit speaker, push and hold the frequency knob until the display changes. Push the
small momentarily to move the cursor under the SPR OFF display. Turn the larger knob clockwise unto
the SPR is ON.
Push/hold for >1
sec.