Hatterland Display JH 15T15 MMD-xxx-Axxx, User Manual, Page: 26 / 96

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INB100036-1 (Rev 9)
IND100064-20
Operation
User Controls
USER CONTROLS OVERVIEW
The units are available in two different factory user control configurations as illustrated below.
#1: Potmeter & buzzer (introduced Q4 2008) including keypad controls with its Status LED Ring. Brightness
for the unit is adjusted by using the potmeter. The tactile keypad control provide access to the configuration
menu and hotkey functionality. The speaker/buzzer function provide audible alarm functionality routed via
the HATTELAND ® Multifunction Cable.
#2: The tactile only keypad controls with 5 push buttons (introduced Q2 2007) and the Status LED Ring.
The keypad provide the user to control brightness, access the configuration menu and use the hotkey
functionality. The LED ring will provide feedback for various status or modes that the unit can or currently
operates in.
Power ON:
To turn the unit on, push the navigator MENU button inwards and release it instantly. The unit will start
searching for signal sources. A green led will move around the led ring to indicate the search procedure.
Please consult the STATUS LED overview later in this chapter for the various LED patterns that can occur.
Power OFF:
To turn the unit off, push the navigator MENU button inwards and hold it down for 6 seconds. After the first
3 seconds the menu will appear. 3 seconds later the unit is turned off and all LED indicators will turn red.
You can now release the power button. Please consult the STATUS LED overview on the next page for the
various LED patterns that can occur.
Speaker/Buzzer Potmeter Keypad
Keypad