MAN_DZ7_001 Rev 1.1 Flightcell® DZMx Plus Installation Manual
Page 29 of 61
Effective Date: 28 Jun 2021
Disabling Cell Modems
In some cases, it may be a requirement to disable cell modems for operational or
regulatory reasons.
The DZMx Plus may be configured so that:
»
Cell modems are always enabled.
»
Cell modems can be disabled via softkey
–
the modem can be disabled
manually on the DZMx Plus, using a long press on the A or B softkey
allocated to that modem.
»
Cell modems are automatically disabled when the aircraft is in flight.
When a cell modem is disabled, all transmit and receive functions are completely
disabled.
These settings can be changed using DZMx Connect. Go to Settings > Modem > Cell
modems. Select one of the options from the drop down (Off, Disable Via Soft Key,
Disable When in Flight. Select OK. Select
DONE
when completed.
Backlighting
The DZMx Plus Control Head has a backlit keypad and LCD display.
Backlighting can only be adjusted using the DZMx Plus menus or DZMx Connect.
Backlighting Options
The DZMx Plus Control Head can support variable lighting controlled from the aircraft
dimmer control. Aircraft without dimmer controls can manually set the brightness to Day and
Night levels. External lighting provides the user with the ability to dim or brighten the
display by adjusting the cockpit dimmer control. The Control Head uses the lighting control
input (pin 10) for its external lighting input.
»
Day backlight is set at maximum brightness for the DZMx Control Head keypad
and display.
»
Night backlight can be adjusted separately for the keypad and LCD display.
»
A separate dimmer control can be used for each DZMx Plus Control Head.
»
External lighting is only available if the DZMx Plus has been installed with external
lighting wiring.
Switching Backlight Modes
To switch modes between Day, Night and External Backlighting on the Control Head:
1.
Press and hold the * key for 2 seconds.
2.
Scroll to the Backlight Mode.
3.
Use the LEFT or RIGHT keys to change the setting.
4.
Press the END key to exit to the main screen.
Note:
When set to automatically disable in flight, the manual disable/enable key can
override the automatic option until the next take-off or landing.
