MUTE CONTROL
VOLUME CONTROL AND
VOLUME
CONTROL INDICATOR
BALANCE
CONTROL
MONO
CONTROL
HEADPHONE OUTPUT
AM/FM
SELECTOR
Activating the Tone Controls may cause a slight change in tonal balance even when both Bass and
Treble | controls are in their center detented | position, | and | therefore | the Tone System should be disabled | ||||||
via | the | switch | when no | tone | control | action | is desired. The tone | controls also | limit the total bandpass | ||
of | the | line amplifier. |
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The Mute control is for | turning | off the | Line | outputs, | useful | when it | is desired to | temporarily interrupt the | |||
signal | to the | amplifier. |
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The Mute mode is active when the Volume Control Indicator is flashing green. The Mute mode is accessible only from the Remote Control. Pressing either Volume button on the Remote Control will automatically
This | motor | driven Volume Control affects the level | of | signal | present | at the | Line Output and | Headphone | ||||
jacks. | This | control may | be rotated by | hand at the | front | panel, or | via the | Up/Down Volume | buttons on | |||
the Remote | Control. |
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The Volume Control Indicator will flash green either | during | the | muting | delay period when the unit is first | ||||||||
turned | on, | or | when the | MUTE mode | is activated | via | the | Remote | Control. |
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This front panel control alters the proportion between right and left output volumes. In the full counterclockwise position, only the left channel will be heard. In the full clockwise position, only the right channel will be heard. The Balance Control is useful for balancing the acoustic output of the system between left and right speakers, as well as being useful for system troubleshooting.
The Balance Control is not available from the Remote Control.
| The | Mono button converts stereo sources | to | monophonic, | or | can | be | used | to | feed | a | monophonic | input | |||||||||||||||||||||||||||||
| from one | channel | into | both | channels. | The Mono | mode | is | active | when | the | button | is | lighted | green. |
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~ | For | more | features | of | the | Mono | Control, | see | the | AM/FM | Tuner | Section. | The | Mono |
| Control is | not | available | ||||||||||||||||||||||||
i | from the Remote Control. |
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~ | The | Headphone | receptacle | is | a standard | 1/4” stereo | phone | jack, | with | the | tip | of | the | plug | as | the left | ||||||||||||||||||||||||||
| channel, | the ring |
| the | right channel, and the barrel ground. |
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~ | The | headphone | driver | circuit | is | separate | from | the |
| main | line | amplifier to | provide | the |
| extra | power | for | driving | |||||||||||||||||||||||
~ | headphone | loads. |
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| Inserting | a | plug |
| into | the | Headphone | receptacle |
| will |
| automatically | turn | off | the |
| Line | Output. | Remember | |||||||||||||||||||||||
| to reduce the | Volume | Control | setting before unplugging the headphones, since | a | normal | listening | level | ||||||||||||||||||||||||||||||||||
| for | headphones | may | correspond to | a | surprisingly | high | volume for | loudspeakers. |
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1AM/FM TUNER SECTION |
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| The | Tuner | Section | of | the | 945 | Preamp/Tuner | has | been | configured | to | match | the | broadcast | requirements | |||||||||||||||||||||||||||
| of | the | intended | country | of | destination. | For | North | America | and | some | other | areas, | channel | spacing | will | ||||||||||||||||||||||||||
| be | set to increment at 100 kHz | intervals | for FM, and 10 kHz intervals for | AM. For | Europe and | some | other | ||||||||||||||||||||||||||||||||||
| areas, | channel | spacing | will | be set to | increment at | 50 | kHz | intervals | for | FM, | and | 9 |
| kHz | for | AM. | Similarly, | ||||||||||||||||||||||||
| the |
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| The | AM/FM | Selector | controls | whether | the | tuner | will | be | operated | in | the | AM | or | FM | band. | The |
| status | of | ||||||||||||||||||||||
| the | tuner’s | operation | will be indicated in the | display | window | with | the | logo | “AM” |
| or “FM”. Note that this | ||||||||||||||||||||||||||||||
| control is really needed only | when manually tuning or storing | presets. | The |
| Preset | buttons | (described | ||||||||||||||||||||||||||||||||||
| below) | will | automatically | switch | between | AM | and |
| FM | according | to | the | station |
| stored | in | memory. |
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