Motorola APX 4000 User Manual page 119

Secondly, this feature supports query authentication
requirements so the query service knows which user
originated a query.
You can still send text messages without logging in
as a user. The user login feature only enables the
recipient of your message to identify you as the
sender by assigning a username to your message.
Note: A predefined username that is set more than
the maximum allowed characters is an invalid name.
Logging in via the Two-Factor Authentication
1 Perform one of the following actions:
• Press the preprogrammed User Login button.
•
or to User, and press the Menu Select
button directly below User.
The display shows the User Login screen.
2 Perform one of the following actions:
• or to [ID Entry] and press the Menu
Select button directly below Edit. A blinking
cursor appears. Use the keypad to type or edit
a username. Press the Menu Select button
directly below Ok to submit.
• or to scroll through the list of
predefined usernames. Press the Menu Select
button directly below Sel to select the
predefined username.
• Press and hold
list of predefined usernames at a fast scroll
rate. Press the Menu Select button directly
below Sel to select the predefined username.
If the selected predefined username has more
than the maximum allowed characters, or an
invalid character in it, the display shows
momentary Invalid ID.
3 For radio enabled with Unit ID, Perform one of the
following actions:
• or to [UnitID Entry] and press the
Menu Select button directly below Edit. A
blinking cursor appears. Use the keypad to
type or edit a Unit ID. Press the Menu Select
button directly below Ok to submit.
• or to scroll through the list of
predefined Unit IDs. Press the Menu Select
button directly below Sel to select the
predefined Unit ID.
or to scroll through the
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