
XETK-V1.0 - User’s Guide
29
ETAS
Hardware Description
4.11
Status LEDs
There are three LEDs displaying the operating status of the XETK-V1.0 (Fig. 4-16
on page 29).
Fig. 4-16
Status LEDs
LED
State
Meaning
Red
On
XETK-V1.0 is supplied with power and active (i.e. the ECU is
switched on or the ETAS calibration and development sys-
tem is connected and ready to communicate with the XETK-
V1.0)
Green
On
When the power supply voltage drops below 3.5 V, the
data retention of the DPRs is not longer ensured. As soon as
the ETK is switched on again, the content of the ETK-Flash
will be copied into reference and working page RAM. The
green LED stays lit until the calibration and development
system copies new data into RAM.
Flashing XETK-V1.0 is in RAM adapter mode. Measurement and cal-
ibration are not possible ( in all "XETK Application mode"
exept "XETK mode initialized").
Off
Working page may be different to reference page.
Working page and reference page may be different to the
ETK-Flash.
Yellow
On
100 Mbit/s link to calibration system established
Flashing Communication active
LED green
LED red
LED yellow