mode must be enabled and the desired menu must be chosen by pressing and releasing the MENU button until the desired menu appears in the display. After the menu is chosen, the desired function or feature is selected by pressing the SEL button. For example, to disable the alert tones, press MENU until "ALERT" is displayed then press SEL to select "DIS- ABLED". Next press the EXIT button.
DTMF KEYPAD
Telephone interconnect calls can be made using the
INDICATORS
The radio’s liquid crystal display (LCD) located on the front panel has eight (8) alphanumeric char- acters and eleven (11) status flags. This display indicates the current operating channel and it dis- plays the menu information when this mode is en- abled. It also displays telephone interconnect numbers and various other messages.
LCD backlighting will turn on for a short period anytime an active button is pressed or the CONTROL KNOB is rotated. Backlighting may be programmed to remain off at all times. Pressing the EXIT button when the menu mode is not enabled will turn display and keypad backlighting on for thirty (30) seconds (if backlight programming is on).
Figure 7 - Liquid Crystal Display
The status flags located along the top and bottom of the display indicate operating status as follows:
EMG EMerGency mode - On indicates emer- gency
HI HIgh power transmit - On indicates the selected channel has been programmed for high power transmit operation. Off indicates low power transmit.
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