Owner`s manual
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proper synchronization is to re-select or re-enter the contact/channel on the
affected radios.
3.2 Menu System and Softkeys
The keys on the top right and top left of the radio keypad
are Softkeys (Softkey #1 and Softkey #2), and their function
corresponds with what is on the bottom corners of the LCD
display. Thus, the function of these two buttons change,
depending on what menu or function you are working in, and
what the LCD display shows for the key function at any given
time. When standing by on the main screen, the functions of
these two softkeys are “CONTACTS” and “MENU”. From here,
these buttons are used to retrieve the Contacts list and access
the radio’s Menu System.
3.3 Volume Control / Up/Down Scrolling Button
While on the Main screen, Press the UP (p) and DOWN (q)
button to control the volume in 15 steps. The display will
indicate “Volume” and the current volume level for 2 seconds.
An audio chime will also indicate current volume level. All
key beeps will be at the set volume level. While in the
Contacts and Menu functions, this button is used to scroll Up
or Down through the Contact list or Menu options.
3.4 Low Battery Alert
The TSX300 has a 4-level battery meter (shown below) on the
LCD that will graphically emulate the remaining batter power.
At the lowest level, the Battery Low Icon will flash and an
audible beep will sound every two minutes.
Battery Full
Battery Strong
Battery Low
Battery Weak
When the low battery meter is at the lowest level, batteries
should be replaced, or recharged if using the TriSquare TSX-
BP NiMH rechargeable battery pack.
3.5 Call / Back (t) Button Functions
When on the Main screen, this button acts as the Call button
to signal other users, and while in any Menus or Texting, it










