User's Manual

TECHNISONIC INDUSTRIES LIMITED
www.til.ca
TDFM-136A Operating Instructions Page 2-29
TiL 09RE405
L4-9.2 Restricting the Squelch Modes Value Edit
This screen allows you to restrict which Squelch Modes can have their values edited by the user.
The access to selecting these modes is not affected here. Example, if Noise mode is disabled
here, then the user can select Noise (for analog Rx operation), but cannot change the Noise
Squelch level.
The screen shown below allows you to restrict which Squelch Modes can be edited by the user,
these modes can be selected, but the parameter value cannot be changed from the default.
S q u e l c h R e s t r i c t : E d i t
V a l u e E d i t : N o i s e •
FIGURE 2-38 Screen to Restrict Editing of the Squelch Mode Value
L4-9.3 Restricting the CTCSS Tone and DCS Code Values
The list of both CTCSS Tones and DCS Codes, that are available to the user in the related
Squelch Mode Editor, can be restricted so that only certain Tones and Codes are available to the
user during the edit session. The CTCSS Tone value restrict screen appears as below:
S q u e l c h R e s t r i c t : V a l u e
C T C S S T o n e : 6 7 . 0 •
FIGURE 2-39 Screen to Restrict Available CTCSS Tones
Here, you can step through the list of all the CTCSS Tones, and restrict individual tone values
from appearing to the user in the CTCSS Tone selection list.
The DCS Code value restrict screen appears as below:
S q u e l c h - V a l u e R e s t r i c t
D C S C o d e: 2 3 •
FIGURE 2-40 Screen to Restrict Available DCS Codes
Here, you can step through the list of all the DCS Codes, and restrict individual code values from
appearing to the user in the DCS Code selection list.
L4-0 Unused
L4-# Unused
L4-* Command Level Down
Return to the next lower Command Level (Command/Operator Level 3).
2.6 UNDERSTANDING RADIO OPERATION
Basic Radio Operation