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SP-400 Series User’s Guide
Status LED table
Indication Status
None while PTT pressed (see also
Activating VOX)
Timeout timer or penalty active
Steady red while PTT pressed Transmitting
Continuous red flash while PTT
pressed
No TX, very low battery voltage
Single red flash in standby mode
(repeated every five seconds)
Low battery voltage
Steady green in receive mode Carrier present or monitor on
Continuous green flash in receive or
standby mode
2-tone/selective call decoded
Single green flash at power-on Self-test passed
Steady amber in receive mode CTCSS/DCS valid or monitor on
Single amber flash in standby mode
(repeated every five seconds)
Scan mode active
Double amber flash in standby mode
(repeated every five seconds)
Scrambler active
Triple amber flash in standby mode
(repeated every five seconds)
Scan mode and scrambler active
© 2005, Midland Radio Corporation 33