Frontpanelcontrols
1Mainswitch
Themainswitchisusedtoselectthemodeofopera tion (OFF,STBY,HEAT,HV)aswellasthelisteningsour ce. Theswitchcanberotatedmanuallyineitherdirect ion.If theremotecontrolhandsetisused,themotoriseds witch movesautomaticallytotheselectedposition.
Thefunctionofthevariousswitchpositionsisas follows:
OFF
Theamplifierisswitchedoff. |
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In this switch position the unit does not respond t |
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commands from the remote control handset. The unit |
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must be switched on manually by rotating the main |
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switch. |
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STBY | (Standbymode) | |||
InStandbymodetheamplifierisalsoswitchedoff; |
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isonlysuppliedtotheremotecontrolreceiver.Ho |
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thismeansthatthe | P10cannowbeswitchedonfromthe |
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Standbysettingusingtheremotecontrolhandset. |
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HEAT |
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MovingtheswitchtotheHEATsettingswitchesont |
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valve heating, but the amplifier itself remains swi |
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off. The HEAT setting is designed to avoid the valv |
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cooling off between periods of listening (intervals |
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5minutes..2hours). |
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IntheHEATsettingthehighvoltageisstillswitc | hedoff; | |||
currentconsumptionisreduced,andthevalvesare |
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under load. The operating hours counter (see sectio | n | |||
'Programs, Time')doesnotruninthismode. |
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HV |
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Moving the switch to the HV setting switches on val |
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heatingandhighvoltage. |
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This setting is recommended for brief breaks betwee | n | |||
listeningsessions(<5minutes). |
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Operatingpositions
DISC/TUNER/AUX/AUX/PH/AUX1/AUX2/
RECORDER
Moving the main switch to any of these positions switches on the P10 completely, rendering it ready to
use; you can now listen to the selected source. At | the |
sametimethesignalsuppliedbytheselectedsourc | eis |
also present at the recorder outputs, and can be |
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recordedonamachinecapableofthisfunction. |
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SwitchingontheP10
The P10 can be turned on by moving the main switch from any setting (i.e. including the OFF or STBY
position)directlytooneoftheoperatingposition | s. |
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The microprocessor control system ensures that the | ||
valves are always heated gently to the optimum leve | l, | |
andthatthehighvoltageisnotswitchedoffprema |
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Thesmooth,processorcontrolledwarmingupprocess | of | |
the P10avoidsdamagetothevalvesandextendstheir usefullife. Ifthe P10isswitchedonfromcold,ittakes aboutoneminuteforthevalvestoheatupfully.
Duringtheinitialheatingphasethedelaydisplay |
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screenflashes. Whenthecorrectoperatingtemperat | ure | ||
isreachedandthehighvoltageisswitchedon,the |
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voltagesymbolappearsonthescreen. Theamplifier | is | ||
now ready for use, the loudspeaker outputs are acti | ve, | ||
andyoucanstartlistening. |
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Themainswitch: |
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Themainswitchisnotamainsisolationswitch;ev |
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theOFFpositionelectricalcurrentissuppliedto |
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parts of the circuit. However, the current drain in |
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OFFpositionisreducedtolessthan1Watt. |
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There is an additional mechanical mains switch | |||
locatedonthebackpaneloftheamplifier, | andthis | ||
disconnects the device completely from the mains | |||
supply. This switch must be in the ON position if | |||
you wish to use the amplifier. | It is not normally | ||
necessaryto switch the unit off using the rear mai | ns | ||
switch,andthisisonlyrecommendedifyouarecer |
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tobeawayfromhomeforaprotractedperiod(e.g. | a | ||
holiday). |
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