Crown FM30 Service Manual download pdf (Page 7)

FM30 Series Technical Manual Page 7

5 Controls and Connectors

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Front Panel:

PLL LOCK Modulator functioning correctly (when green).

P.FWD Green when the RF output level is above a

predetermined level (see installation section).

P.REF Green while the reflected RF power is below a pre-

determined level (see installation section). Red when the

VSWR cut-back system is operating.

LIMIT Shows green when internal limiter option is limiting audio

input level.

SIGNAL (FM30/RBRX) Green while a signal is received. Red when signal is

absent or below the preset mute level.

O/P Monitor Monitor of RF output (approx. -40dBc). This point should

not be used for harmonic or power measurements

Meter and selector Selects and indicates important FM30 parameters.

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Crown FM30 Service Manual Page 7