EM TEST (Switzerland) GmbH
CWS500 N1.3 / N1.4
User manual
V 1.01
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Error messages
Overtemperature
CWS 500N1.3 only
The firmware observes the amplifier temperature.
60 ºC: Firmware switches off the amplifier. After approx. 5 minutes the amplifier will switch
on. The CWS 500N1.3 indicates the actual temperature in the display.
63 ºC: The hardware will switch off the amplifier automatically.
Over temperature should not appear normally. Please check if the cooling airflow is not
free or a ventilator is not working. (contact EM TEST service center)
AMP Failure
An internal error occurs
Switch OFF and ON the CWS 500N1.x
AMP OFF
Switch ON the TEST ON button
Temperature
Figure 5.11 illustrates the temperature behavior in
case of power on. After approx. 15 minutes the
amplifier arrives the operating temperature.
-----
Temperature at power ON
-- --
Cooling after over temperature (60 ºC) will stop
when the temperature is below 50 ºC
Figure 5.11: Temperature behavior after power on and cooling in
case of over temperature
5.6.1. Setup
This menu helps the user to define the configuration of the CWS 500N1.x
Page 3 (Setup Overview)
Setup
F1 : Change language / Sprache ändern
F2 : LCD Back Lighting
F3 : Interfaces
F4 : Keyboard Beeper
F5 : Power
– on counter
F1
F2
F3
F4
F5
F6
F7
F1 Change language
The user can choose between two languages, German and English.
F2 LCD Back Lighting
With the use of F2 the back lighting can be switched ON or OFF. The Auto-Off Function to switch the back
lighting off after a predetermined time following the last manual operation (1 - 30 minutes).
Due to the limited lifetime of the LCD back lighting (approx. 10,000 hours), this function should always be
activated.
F3 Interfaces
With this menu the user can define the status of the integrated serial and parallel interfaces, e.g. the baud rate
of the RS232- or the address of the IEEE-interface.
F4 Keyboard Beeper
F4 selects the beeper ON/OFF mode.
F5 Power-on counter
Pressing of F5 will show the total power-on time and testing time of the test equipment.
