UT12-000 Universal Encoder/Decoder
SM40 Installation and Operation Manual
May 15, 2012 Rev: 5.00
Page 3-3
ENG-FORM: 806-0100.DOTX
CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP.
3.3.4
Button
The
button is used to select between DATA Mode, one of three tone types, or a Scrambler on/off
Mode.
Each time the button is pressed, it moves one step through the following sequence:
DATA; Tones (CCIR, DTMF, SINGLE); and Scrambler on/off.
The UT12 is always actively decoding CCIR tone sequences.
3.3.4.1 DATA Mode
When
Data Mode
is selected, the UT12 acts as a data entry pad for the TH-series Tac/Com control head
to which it is connected. See section 3.4.1.
3.3.4.2 Selecting Tone Types
The UT12 is capable of generating three types of tones: CCIR, DTMF and SINGLE. The CCIR tone
mode is the default.
To change the current tone type, press the
button until the desired tone type is displayed.
To change the current mode to DATA mode, press
once.
CCIR and DTMF tones are industry standard tone frequencies. Single tone frequencies for the UT12
match those of the CCIR tones, but have minimum period of 2 seconds, or as long as the
button is
held down. The tone frequency is displayed in SINGLE tone mode.
There are five symbols used on the control head display to denote tone types.
CCIR tones are represented by
C
or
CCIR
DTMF tones are represented by
D
or
DTMF
SINGLE tones are represented by
SINGLE
3.3.4.3 Scrambler Activation/Deactivation
The UT12 can activate and deactivate the scrambler in the transceiver via serial communications with the
control head, and activate the scrambler located at the base station. To activate the scrambler, the user
must not be involved in any other operation. Press
to cancel any operations in progress.
Press the
button until the current scrambler status
SCRAMBLER ON[OFF]
is displayed on the
control head. Then press
, and the message
TURN OFF[ON]?
will be displayed. To change the
state of the scrambler, press
again, or press
to leave the scrambler in the current state. When
turning on the scrambler, the control head will briefly display
SCRAM ON 81097
and will transmit the
CCIR sequence 81097. When turning off the scrambler the control head will display
SCRAM OFF
, but no
code will be sent.
