451-93281-001
SHOUT sp User Guide, Rev B.1
49
Figure 82: Configure From File
Figure 83: Select File
Figure 84: Confirm Selection
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NAL Push-to-Talk [PTT] App
The SHOUT sp comes with a preinstalled NAL PTT App. The app enables PTT
communications between devices within preconfigured PTT Talkgroups. The
preconfigured talkgroups are maintained by the Iridium – Push-to-Talk
Command Center, which is available as a subscription service by Iridium
Communications, Inc. Each SHOUT sp can be a member of up to 15 talkgroups
arranged in numbered slots (1-15) and may have a ‘Primary Talkgroup’ assigned
for special communication activities.
When the PTT App is running the user may scan talkgroups, listen to talkgroups,
and communicate to selected talkgroups with the push of a button.
The PTT App has several device configurable options available in the PTT Options
menu. These include a Talk Timer, Location Sharing, Scan Period, Distance
Formatting and whether to Enable the LED or not. Each are discussed in detail on
the following pages.
At the top of the screen, the text ‘PTT’ is displayed when the PTT mode has been
activated. The ‘PTT’ notification icon is visible from any screen currently being
viewed by the user. The device will operate in Telephony mode for telephone calls
and in PTT mode for push-to-talk functions. Only one mode will function at a time.
