20
Carry out automatic or manual load adaption
1a,1b
4 3
Condition for automatic load adaption:
- output current I
out
> 10mA!
Make a manual load adjustment at:
- high impedance load
Carry out automatic (1a) or manual (1b) load adjustment
Step Procedure
1a Press button to pos. „auto“.
If an LED of the impedance adjusting level lights up:
- the output impedance is adjusted
- a voltage is on the „output“ sockets
1b Press button to pos. „man“ as long as the desired adjusting level is reached.
2 Adjust desired output current using the output regulator.
3 Press button I
out
= instrument range is switched to 1A.
4 Press button I
in
. The current consumption of the amplifier is indicated. With battery
operation:
I
in
=3A-battery 9Ah=approx. 3 hours of operating time
Audio Frequency Generator TG20/50 is ready for operation.
Overload protection
The power output stage of the TG20/50 unit is protected by a terminal circuit breaker.
After a switch off:
- using the mode selector - switch on again after a certain cooling period
2
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