Midland Radio SP-410 - Manual (Page 21)

SP-400 Series User’s Guide
If a 2-tone or selective Call 1 or Call 2 has been assigned for the
selected channel, it may be sent by pressing the PTT button then
pressing the upper (Call 1) or lower (Call 2) function button.
If your transceiver has been programmed to send an emergency
call for the selected channel, it may be sent by pressing the
lower then upper function buttons, and holding them pressed for
at least two seconds.
!
Please consult your dealer or communications
coordinator before testing the emergency call
function. The radio may be programmed to respond
differently when sending an emergency call.
Scanning channels
If you have more than one channel programmed, your SP-410 /
SP-420 / SP-430 / SP-440 may be programmed to allow you to
scan them. To activate scan press and release the lower function
button. If the scan list has at least two channels the radio will
begin checking all channels in the scan list for activity. The
status LED will blink amber once every five seconds while the
radio is scanning. To turn scan off press and release the lower
function button again. If beeps are enabled a high pitched beep
will sound when scan is activated and a low pitched beep will
sound when scan is turned off.
The default scan list is programmed by your dealer or
communications coordinator. Your dealer may also have
designated a particular channel in the scan list as a priority
channel. The priority channel is checked for activity more often
than other channels in the scan list. The priority channel may
also be checked for activity while the radio is receiving on a non-
priority channel.
The radio may be programmed to wait a period of time after a
receive signal ends. Once the resume timer has elapsed,
scanning will resume. This programmed resume timer will also
be started whenever the radio has ceased transmitting on a
channel. Your dealer or communications coordinator will
© 2005, Midland Radio Corporation
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