Machine Operation; Operation Attention; Mute Function - Sabre SA-20B Operation Manual

4. MACHINE OPERATION

OPERATION ATTENTION

The four output connectors only can choose two
connectors work together. If voltage is 70V/100V,
the speakers must be with transformer and make
sure the total power wattage of speaker is 15%
less than the power wattage of amplifier.
GUIDANCE OF EXCLUDING ERRORS
Phenomena
All the wires are 1 No power or wrong
connected well
but no voice output 2 Fuse is burned
3 Volume is town off
4 No input signal
Power on but ala- 1 Overloading or short
rming signal
2 Voltage is not stable,
No voice output in 1 Machine is in protection
normal condition
2 Wrong wire connection
Cause
plug connection
circuit
too high or low
condition in case of high
temperature

MUTE FUNCTION

1 Tel has priority over all inputs.
2 MIC 1 is second priority, adjust mute electric
potential can override other input signal except
tel signal.
3 It is the same level of MIC 1, when one of the
two port connect with MIC, another conn ect
MIC port is in vain.
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