MM-013994-001, Rev. J
60
10.2.1 Buttons, Knobs, and Switch
This section provides detail for EDACS function of the button, knob, and switch controls. Refer to the
other operation sections for additional details associated with functions for these controls.
Table 10-1: Buttons, Knobs, and Switch Functions
POWER ON/OFF-VOLUME
CONTROL KNOB
Applies power to and adjusts the receiver’s volume. Rotating the control clockwise
applies power to the radio. A single alert tone (if enabled through programming)
indicates the radio is operational.
The radio can be programmed to require the entry of a PIN in order to
operate the radio. Check with your System Administrator if you forget
your PIN. As the PIN is entered, an asterisk is displayed for each digit.
The actual value is not displayed.
Rotating the control
clockwise increases the volume level. Minimum volume levels may
be programmed into the radio to prevent missed calls due to a low volume setting. While
adjusting the volume the display will momentarily indicate the volume level (i.e.,
VOL=31
). The volum
e range is from a minimum programmed level of zero (displayed as
OFF in the display) up to 40, which is the loudest level.
SYSTEM/GROUP/CHANNEL
Selects systems or group/channels (depending on programming). This is a 16-
EMERGENCY/HOME
BUTTON
Automatically selects the pre-
programmed Group/System by pressing and holding for a
programmed duration. It can also be used to declare an emergency by pressing and
holding for a programmed duration. The button must be pre-
programmed for either
operation, but not both.
PTT BUTTON
PTT must be pressed before voice transmission begins. In trunked modes the radio’s ID
is transmitted when the PTT button is pressed.
OPTION BUTTON
Activates one of a number of programmable
software options selected during PC
programming. Programmable options include hi/low power settings, keypad lock, LCD
contrast, LCD, and keypad back lighting.
CLEAR/MONITOR BUTTON
Exits the current operation (removing all displays ass
ociated with it) and returns the radio
to the selected Talk Group. Also terminates individual and telephone interconnect calls.
A/B SWITCH
The function of the dual-position A/B switch is defined via programming.
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