Quick reference, Controls function table – Midland Radio SP-410 User Manual
Page 32

SP-400 Series User’s Guide
Quick Reference
Controls function table
Control
Operation
Function
On/off knob
Turn clockwise past detent
Turns the radio on
On/off knob
Turned further clockwise
Increases the speaker volume
Channel knob
Rotated while scan is off
Selects channel of operation
Channel knob
Rotated while scanning
May select the scan transmit
channel, as programmed
PTT button
Pressed while scan is off
Transmits on selected channel
PTT button
Pressed while scanning
Transmits on the scan transmit
channel, as programmed
Upper function
button
Pressed < two seconds
Monitor on
Upper function
button
Released in < two seconds
Monitor off
Upper function
button
Pressed > two seconds
Latches the monitor on/off
Upper function
button
Pressed while transmitting
Sends Call 1, if programmed
Upper function
button
Pressed and released
while scan is holding
Nuisance channel delete
Upper function
button
Pressed while radio is
turned on
Places radio in program mode
Lower function
button
Pressed and released
Toggles scan on/off
Lower function
button
Pressed > two seconds
while scan is off
Toggles channel in or out of
scan list
Lower function
button
Pressed when radio is
turned on
Toggles scrambler on/off, if
enabled
Lower function
button
Pressed while transmitting
Sends Call 2, if programmed
Lower + Upper
function buttons
Pressed and released
while VOX enabled
Toggles VOX sensitivity
Lower + Upper
function buttons
Pressed > two seconds
Sends emergency call, if
programmed
Lower + Upper
function buttons
Pressed when radio is
turned on
Toggles VOX mode on/off, if
enabled
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© 2005, Midland Radio Corporation