Harris SX-1 - Page 13

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Table 1-1. Meter Panel Controls and Indicators
CONTROL/INDICATOR FUNCTION
PA VOLTAGE meter Indicates voltage being applied across
one of the final power am pl if i ers.
PA CURRENT meter
POWER meter
LOW, pushbutton
MEDIUM, pushbutton
HIGH, pushbutton
Indicates the current being input to
all of the final power amplifiers.
Indicates switch selected forward or
reflected power out of the transmitter
as monitored at the position of the
directional coupler 1 0 the output
network.
When depressed, commands the transmit-
ter to change to the power level as-
signed to that control by the micro-
processor. If FAULT lamp illuminated,
depressing LOW pushbutton will extin-
guish FAULT lamp and bring transmitter
back to LOW power setting . It 1s as -
sumed
that the cause of the or i ginal
fault condition has been removed.
When depressed, commands the transmit-
ter to change to th e power level as-
signed to that control by the micro-
processor . If FAULT lamp illuminated,
depressing MEDIUM pushb utto n wi 11 ex-
tinguish FAULT lamp and bring trans -
mitter back to MEDIUM power setting.
It 1s assumed that the ca us e of the
original fault condition has been
removed.
Hhen depressed, commands the transm i t-
ter to change to the power level as -
signe d to that control by the micro -
processor. If FAULT lamp ts i llu mi-
nated, depress in g HIGH pushbutton will
extinguish FAULT la mp and bring trans -
mitt er back to HIGH pow er setting. It
1s assumed that the c aus e of the orig-
inal fault condition ha s been removed .
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WARNING: Disconnect primary power prior to serviciny.