JTG JT280 2012 User Manual page 77

ODO function
This information can only be seen by pushing the
MODE button, regardless of whether the vehicle is
stationary or in movement. The predetermined
configuration indicates Km
permanently stored in the in the memory.
H function
This function indicates the hours the vehicle has been
in operation and can be seen by pressing the MODE,
button, regardless of whether the vehicle is stationary
or in movement. The counter associated with this
function only works when the vehicle is in movement,
on receiving the first impulse from the speed sensor,
and it stops 3s after receiving the last impulse from
the sensor.
and each Km is
Clock function (CLK)
This function indicates the current time in "hh:mm:ss"
format. The clock remains active even when Sleep
Mode is activated.
The time can only be set when the vehicle is
stationary, pressing the MODE button several times
until the display screen is as illustrated above. When
the CLK mode is displayed, pressing the MODE button
for a few seconds, the active digits will begin to flash
(In this order: hours, minutes, seconds and in display
mode), which can be modified with the UP and DOWN
buttons, and select with the MODE button. In time
configuration mode, if 20 seconds pass without
pressing any button or if the vehicle begins to move,
the system will return to standard operational mode,
saving the modified configuration.
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