User's Manual

SECTION III OPERATION
SM 7063 07/97 3-19
3.8.12 Scanning for Incoming ID Codes
The CDU has the capability to display the ID code portion of all uncorrupted messages it receives.
1. To view incoming End Unit ID codes, press the
MENU UP
or
MENU DOWN
key until the
Function
Menu Display
reads:
“ ID Scan: ##### ##### ##### “
where ##### are incoming End Unit ID codes.
2. Each End Unit ID code is displayed for a minimum of 5 seconds. If more than one ID code is
received during this 5 second period, each new ID code is displayed separated by a space from the
one preceding it.
3. If the message display becomes filled, each new ID code will overwrite the oldest displayed ID.
4. This is a configurable item via the Diagnostic PC and would typically not be used in the Cab but
more likely by supervisors or dispatchers. It is factory configured to be OFF to minimize the
confusion to locomotive operators. Note that the ID Scan function cannot be enabled if the CDU is
configured for Automatic Arming.
3.8.13 Setting the Sonalert Output Volume
The sound level of the sonalert beeper is adjustable in four (4) steps to suit the individual locomotive
operator.
1. To adjust the sound level, press the
MENU UP
or
MENU DOWN
key until the
Function Menu
Display
reads:
" Change loudness: # (of 4) “
where # is the current volume level out of a total of four.
2. To change the sound level, press the
" "
or
" "
keys to raise or lower the output volume,
respectively. The sonalert will beep once for each key press at the indicated sound level.
On power-up, the CDU always defaults to the maximum volume level (setting 4).
3.8.14 Setting the Display Panel Brightness
The brightness of the LEDs comprising the CDU Front Panel are adjustable in seven (7) steps to allow
the locomotive operator to compensate for different ambient light levels.
1. To adjust the display brightness, press the
MENU UP
or
MENU DOWN
key until the
Function
Menu Display
reads:
“ Change brightness: # (of 7) “
where # is the current brightness level out of a total of seven.
2. To change the brightness level, press the
" "
or
" "
keys to increase or decrease the LED
brightness, respectively, On power-up, the CDU always defaults to the maximum brightness level
(setting 7).