
11
The three (3) buttons (top three on the DTMF
keypad) are used to control a variety of operations when
used alone and to control SCAN operations when used
in conjunction with the "S" button on the 8- and 16-
channel radios. Details are as follows:
These three buttons are also used to place telephone
calls ("1" - "3" digits) when the telephone
interconnect feature is enabled. In addition, the "
∆
"
UP ARROW button (HOME or digit "1") selects the
HOME/EMERGENCY channel (on the SCAN
versions).
NOTE
∆∆
H
1
The
∆∆
or "H" button allows the
following (see SCAN Controls for
further details):
1. Add channels to Scan list when
used in conjunction with the "S"
button (for 8- and 16-channel
radios). SCAN must be off when
adding channels.
2. Programming of a HOME or
EMERGENCY channel (when used
alone). This applies only to SCAN
versions.
3. BACKLIGHT the LCD (for 2-
channel radios). The backlight will
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