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JOTRON electronics a.s.
December, 99
Page 13
2.
EXTERNAL CONNECTIONS
2.1. Front panel components and controls
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①
Monitor (Loudspeaker).
1W, 10 audio output.
②
Fuses, AC and DC.
AC fuses:
2*1A, 5x20 mm (slow blow)
DC fuse:
4 A, 5x20 mm (slow blow)
③
AC indicator (Green LED).
Lit when AC power is connected and unit switched on.
④
DC indicator (Yellow LED).
Lit when internal DC is present, i.e. the transceiver is operated on either AC or DC.
⑤
Power ON/OFF switch
.
Main switch to turn on the transceiver.
⑥
Carrier indicator (Red LED).
Indicates that there is a RF signal going out on the antenna connector.
The intensity of the light varies slightly with the modulation level, that means the
LED can be used as an indicator for the modulation level.