14 T2020 Operator's Manual
In this mode the time of transmission of each digit is set by the radio and is
usually shorter and more efficient than sending them 'live'.
4 Pressing any of the keys on the keypad causes the corresponding DTMF tone to
sound, but this does not indicate whether or not the tone has actually been
transmitted. Watch your radio's display to see if the TX indicator appears (without
the PTT switch pressed).
5 To access special DTMF tones A to D, your radio may be programmed to use the
PTT switch as a shift key to alter the function of some of the keypad keys as
follows:
- PTT + gives DTMF tone A
- PTT + gives DTMF tone B
- PTT + gives DTMF tone C
- PTT + gives DTMF tone D
Alphanumeric Entry Mode
The T2020 contains a number of memory locations which are able to be accessed with
an alphanumeric entry or label from the keypad. The alphanumeric label may be the
same as a channel name or it may be a quite separate word, person's name or acronym
which helps you find the appropriate memory location. Each location may contain
information which selects a channel, makes a Selcall or DTMF call or selects a new
Selcall status code.
To select a memory location by its alphanumeric label:
1 Press to enter the alphanumeric entry mode. Now type the label associated
with the location (and function) you want, using the keypad keys as either numbers
or letters (e.g. the key may be used as a '2', an 'A', a 'B' or a 'C'). A star "*"
will appear in the display as you type each character until you have entered enough
for the radio to recognise the label. When it does, it will display the label in full.
2 Pressing will cause any instructions (channel selection, send call and so on)
contained in the memory location to be carried out.
3 If you then press the key, the display will change from the label to the channel
name. (The radio may be programmed to return to the channel name display after
a short while anyway.)
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