NEC DTU-70 Instruction Manual page 22

18kw uhf digital tv transmitter
Table of Contents

Advertisement

3-7-2
Signal Line ........................................................................................................ 3-18
3-7-3
RF Monitor ........................................................................................................ 3-18
3-7-4
Control Line ...................................................................................................... 3-19
3-7-4-1 Parallel Interface ...................................................................................... 3-20
3-7-4-2 Serial Communication Interface .............................................................. 3-25
3-7-5
System Control Interface .................................................................................. 3-31
3-7-6
Others ................................................................................................................ 3-33
SECTION. 4 OPERATION AND ADJUSTMENTS
4-1
General .................................................................................................................... 4-1
4-2
Operation Panel ...................................................................................................... 4-8
4-3
Control Mode Selection .......................................................................................... 4-12
4-4
Starting and Stopping ............................................................................................. 4-13
4-5
LCD Display Monitor ............................................................................................. 4-15
4-6
Setting ..................................................................................................................... 4-22
4-6-1
Setting of Time ................................................................................................. 4-22
4-6-2
Setting of Frequency, rated output power, and transmitter type ....................... 4-22
4-7
Adjustments ............................................................................................................ 4-24
4-7-1
Adjustments of TX meter and faults levels ...................................................... 4-24
4-7-2
Adjustments of Exciter Unit ............................................................................. 4-27
4-7-3
Adjustments of Power Amplifier ...................................................................... 4-27
- ii -
GWP-G22996

Advertisement

Table of Contents
loading

Table of Contents