HP (Hewlett-Packard) 24A Manual De Usuario

 

LEVEL

)

INT : x.xx.

In 

the 

(

POWER LEVEL

) 

key controls

the Level 

 and Level Control 

 (see Figure A-l)

within the ALC level range 

 to -20 

 The attenuator is

uncoupled from the ALC system and is controlled separately with the

Set 

key.

When you press 

(

POWER LEVEL

), 

the active entry area displays:

 

  X  

  A L C :  

 

where X represents a numeric value. The data display area indicates:

Power 

INT : x . x x   .

In 

the 

[

POWER LEVEL

) 

key

controls the output power of the synthesizer as compared to the
external detector feedback voltage. The attenuator
(if present) is automatically uncoupled from the ALC system and the

(

POWER LEVEL

 

key controls the Level DAC and Level Control Circuits

(see Figure A-l) within the ALC level range 

 to -20 

This mode of operation requires a feedback connection from a

negative-output diode detector to the EXT ALC connector.

When you press 

(

POWER LEVEL

), 

the active entry area displays:

 

 X 

 EXT POWER: 

 

 ,

where X represents a numeric value. The data display area indicates:

EXT : x . x x   .

In 

the 

(

POWER LEVEL

) 

key

controls the output power of the synthesizer as compared to the

feedback voltage of the power meter. The attenuator (if present) is

automatically uncoupled from the ALC system and the 

POWER LEVEL

key controls the Level DAC and Level Control Circuits (see
Figure A-l) within a more restricted range of the ALC level.
Instead of the 45 

 range of the ALC in other modes, 12 

 is

available in this mode, with the upper end of the range set by the

Pwr 

 Range 

 This mode of operation requires a feedback

connection from the recorder output of a power meter.

When you press 

(

POWER LEVEL

), 

the active entry area displays:

 

 X 

 POWER LEVEL: 

 

 ,

where X represents a numeric value. The data display area indicates: