EM-20/EM-10
July, 1999
* Audio Test tn2 on "power on"
Before checcking the audio output, make sure that the AC/DC adaptor is the ACO 12V 1A (230V) type for
EM20 and the ACN 12V 500mA (230V) type for EM-10.
The display will show:
Action : A sine wave sound having a 440 Hz frequency will be heard from the right speaker while a sine
wave sound having a 1760 Hz frequency will be heard from the left speaker.
Check that the amplitude of the signal relative to the right channel is 5 Vpp and that of the signal relative to the
left channel is 5.2 Vpp for the mod. EM-10; whereas for the mod. EM-20 it has to be 6 Vpp for the right chan-
nel and 6.2 Vpp for the left channel. Consider a 5% tolerance value for both models as the above values are
determined by a resistor divider.
To exit, turn the instrument off.
Initialization of EM-20/10 ("Factory Setup") .
Warning!!!
When the "Factory Setup" is carried out, all the setting saved in the instrument by the user will be lost and
replaced by the factory settings.
PROCEDURE :
Turn the instrument on while keeping the "Write" button pressed.
In the middle of the display, the following message will be displayed:
Display : FACTORY !
Display : Audio Test
G tn4 * M Memory check
By pressing the tn4 button, the display will show:
Memory checklist:
Ro = tn1 Rom Test
Ra = tn2 Ram Test
Wr = tn3 Wrom Test
l Ro [tn1]:
By pressing the tn1 button, the display will show:
Action : By pressing the tn1 button, the ROM test result xx = {Ok,Er} will appear on the display
To exit, press the tn8 Exit button.
l Ra [tn2]:
By pressing the tn2 button, the display will show:
Action : By pressing the tn2 button, the RAM test result xx = {Ok,Er} will appear on the display
To exit, press the tn8 Exit button.
l Wr [tn3]:
By pressing the tn3 button, the display will show:
Action : By pressing the tn3 button, the Wave Rom test result xx = {Ok,Er} will appear on the display
To exit, press the tn8 Exit button. To get back to the Main Menu press tn8 Exit again
Identifying the software version.
To identify the current software version of the instrument, turn it on while keeping the Tn5 button pressed.
The display will show:
X = Software Version
Z = Day (example: Thu)
Y = Month (example: May)
V = Day (example: 25)
U = Hour /Min/Sec
H = Year (example: 1999)
Action : The display will show in sequence: the software version and the date.
To exit, turn the instrument off.
Display : VER . XXX ZZZ YYY VV UUUUUU HHHH
Display : Wait XX
Display : Wait XX
Display : Wait XX
Display : Ro Ra Wr
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