Sharp SD-AT1000W Specifiche Scaricare il pdf (Pagina 138)

Section-3 Operation

October 17, 2013

3‐70

WARNING:Disconnectprimarypower priortoservicing. 888‐2693‐004

Warning

CHANGING THE CARRIER AND CARRIER LEVEL (IF CARRIER IS ON) SETTINGS

ON THE NICAM SETUP 1 SCREEN WILL CAUSE THE TRANSMITTER TO MUTE

TEMPORARILY.

Figure 3-66 LPU Analog NICAM Screens 4 & 5

Table3‐64XmtrHome>ExciterHome>Setup>AnalogModulator(NicamScreens4&5)

Field Explanation

Ni

camSetup1SubWindow (Screen4)

Modulation

Choicesar

eOfforOn.

Thiscontr

olturnstheNICAMmodulationOfforOn,buttheNICAMcarrierremainsOn.

ReserveFla

ChoicesareOfforOn.

ThiscontrolswitchestheReservesoundSwitchingFlagintheNICAMcoder.

Preemphasis

Choicesar

eOfforOn.

Thisse

tsthepreemphasisaccordingtoITV‐TRec.J.17.

Gain1

SetdB

Thisisanad

justmentfortheinputgainadjustmentforthesound1input,thisistheinput

fortheM1/Laudioinput.Theadjustablegainrangeis‐9,9to+6dB.

Gain2

SetdB

Thisisanad

justmentfortheinputgainadjustmentforthesound2input,thisistheinput

fortheM2/Raudioinput.Theadjustablegainrangeis‐9,9to+6dB.

Carrier

ChoicesareOfforOn.

ThiscontrolturnsboththeNICAMcarrierandmodulationOfforOn.

Carrierlev

SetdB

ThisistheNI

CAMcarrierleveladjustmentindBbelowthevisionpeakofsynccarrierlevel.

Theadjustablerangeis‐18to‐30dB.

CoderCon

trol

ChoicesareAutoorManual.

CoderControlforselectionoftheHighPriorityparameterlistedonthenextscreen.

Select‘Ne

xt’toproceedtoAnalogNICAMSetupScreen2.

Ni

camSetup2SubWindow (Screen5)

1 2 ... 133 134 135 136 137 138 139 140 141 142 143 ... 291 292

Commenti su questo manuale

Nessun commento

Sharp SD-AT1000W Specifiche Pagina 138

Commenti su questo manuale