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OPERATION WITH OPTIONAL REMOTE CONTROL UNIT
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keypad cannot be used). If the number is dialed using the microphone
keypad, the phone mode probably does not need to be selected.
Turning Power On and Off - Power to both the transceiver and control
unit is controlled by the control unit PWR switch. However, the vehicle’s
ignition switch also normally controls power. Therefore, it must be in the
ON or ACCESSORY position for power to turn on. When the ignition
switch is turned off and power has not been turned off by the PWR
switch, power remains on for the programmed delay period (see next
description). The control unit can also be installed so that the ignition
switch does not control power. Power is then controlled by only the PWR
switch and the turn-off delay is not available.
Turn-Off Delay - When the ignition switch controls power as described
in the preceding paragraph, there is a turn-off delay that can be
programmed by your system operator. This delay can be 0, 10, 20, or 30
minutes, 1, 2, or 4 hours, or an infinite time (no turn-off occurs). The
delay period begins when the ignition switch is turned off with the
control unit power on. It can be canceled by turning power off using the
PWR switch or turning the ignition switch back on. This delay can be
used to keep functions such as the Call indicator, horn alert, and battery
charger functional for a limited time after the vehicle is turned off. It can
also be used to prevent accidental discharge of the vehicle battery.
Horn Alert - The vehicle’s horn or some other type of alert can be used
to signal an incoming call. It can be programmed to activate when calls
are received on specific groups or channels. When a call is received that
activates the horn alert, the horn sounds once per second for 3 seconds
and then deactivates. The horn alert is turned on and off by the HORN
button on the control unit. It is enabled when “HORN” is displayed.
Other requirements for the horn to sound are that the vehicle’s ignition
switch must be turned off and the control unit must be in the delay period
described in the preceding section.
Control Unit Display - The control unit displays the same unique 7-char-
acter system or 5-character group identification as the transceiver display.
Other information displayed in that area of the transceiver display is also
indicated by the control unit display. The control unit display and keys