FM Transmitter
Sistemas Electrónicos S.A EM 100 DIG
Technical Manual - v1.2 - November 2005 27
Entering in command mode, with the 2
nd
level password authorization,permits to set every of this
transmission parameters.See menu #27.
Only 3
rd
level authorization permits,pressing "Right" key, to change the frequency variation between
10 and 100kHz /step. See menu #37.
MENU # 08:INTERNAL VOLTAGES
vs 2 vs + vs -
27.0v +12.5v --12.6v
This screen shows the internal regulated voltages.In the EM-250 DIG they are +27 ±0.8V,+12.5
±0.3V,-13.0 ±1.0V. A marked difference from these values, especially regarding VS2, may indicate
misfunctioning or very low mains voltage.
MENU # 09:TEMPERATURE,DATA AND CLOCK
t= +25°c
01 jan 02 17 : 00
This screen shows the internal temperature, the actual data and clock. To set data and clock it is
required to go in command mode, with the 2nd level password authorization. See Menu #29.
The temperature sensor is optional and, when present,in the case of EM-100 DIG reads the internal
temperature slightly behind the front panel. It is usual it reads some 20 °C higher than external
ambient temperature at full output power: i.e. some +65 °C assuming an external temperature of
+45 °C (the maximum allowed).
MENU # 12: ELAPSED TIME.
elapsed time
This screen shows the elapsed time whether the exciter is on the air or in stand-by with the mains
applied. There is no way to change the reading.
MENU #13:PASSWORD MANAGEMENT
set password
lev. 1
This screen shows the password status and permits to change the code and/or the status in
command mode, when in possession of the necessary level authorization. No code is ever shown
and no access is permitted to a level higher than the current authorization.
To Next Page
Loading...
