Ericsson LBI-38732E - Manual (Page 14)

USER INTERFACE
The M-RK II operating controls are located on the
radio’s front, top and left panels. A 15-button keypad,
liquid crystal display (LCD) for radio status information,
microphone and speaker are on the front panel. The top
panel houses a rotary SYSTEM/GROUP/CHANNEL
knob, POWER ON-OFF/VOLUME control knob and a
protected red EMERGENCY button. An OPTION button,
CLEAR/MONITOR button and the Push-To-Talk (PTT)
button are all located on the left side panel. The Universal
Device Connector (UDC) is located on the right panel
and is used while programming the radio and for acces-
sory connection.
The keypad is used for manual number entry for
individual calls, access to a telephone interconnect sys-
tem, and activation of various EDACS or conventional
features such as menu selection or scan operations.
The display has two, eight-alphanumeric-character
lines used to show the operational mode of the radio.
Fifteen status indicators, used to indicate various oper-
ating conditions such as transmitter on, channel busy,
scanning, or low battery, are located above and to the
right side of the character lines within the display. A back
light illuminates the display and the keypad for nighttime
use.
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