Activation - Hitachi EC702MP-BB3 Operation Manual

Uhf digital tv transmitters
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2. Activation

The steps of this activation must be followed to avoid damage to the equipment.
Before Turn-On, Check if all on/off key
st
1
Drawers are "off"
nd
2
Trigger the circuit breaker on (01)
Power On (Rear Panel) The Exciters
rd
3
and the CM9001 Module Control
CM9001 Display
In the Power Amplifier Drawer 1
th
8
Switch On the Power Amplifier (04)
Check the Drawer Communication Status.
In the Main Module Control Display Interface:
th
9
>Measurements > Communications Status
HPA01 = OK
Check the ALL Power Supply and Current when
0 (Zero) Watts Transmitter FWD Power:
In the Main Module Control Display Interface:
>Measurements > Drawers
> Power Supply
th
10
Power Supply ≈ 50.0V
>Measurements > Drawers
> Current
I ≈ 0.30A (for each PA)
02
03
E-Compact MP-BB3 Series
01
Check if both the Exciter (Main and Backup) are
th
4
configured for the correct channel, the same as
the Mask Filter and the Antenna
Check if both the Module Control CM9001 (Main
and Backup):
th
5
Chanel is the same of the Exciter (02)
The description of the Equipment is correct (03)
Check if the Main Exciter and Main Module
th
6
Control CM9001 are active
Check if the Programmed Power in Main
Module Control CM9001 is 0 (ZERO) Watts:
th
7
Display Interface
>Measurements > Power > Programmed
Power [1/3]
04
PA704MP – REAR
98 | 108

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