10
N O T E
If the characters on the LCD are dim or not readable, please follow the method of
LCD contrast and backlighting adjustment described in S.5-1.
In this position (called OFF LINE hereafter) only the micro-controller is operational, while the amplifier
itself is still turned off (the tube is not powered at all).
The control of the amplifier is accessible during OFF LINE and ON LINE states, each having several
information screens and control functions (see Fig.3-2):
POWER ON
OFF LINE
(ON/OFF)
ON LINE
(PREV+NEXT) (PREV+NEXT)
(PREV+NEXT)
(PREV+NEXT)
(PREV+NEXT)
(NEXT or PREV)
Contrast 1...9
Back-light 1...5 (NEXT)
(NEXT)
(PREV)
(PREV)
Auto-Operate OFF
Auto-Operate
Auto-Operate ON
(OPER)
List of
Auto-Prot.
Signatures
(PREV)--(NEXT)
INFORMATION
Forward power
Reflected power
Output Power
Antenna VSWR
Drive RF Power
RF Power Gain
Plate Current
High Voltage
Plate RF Peak
Screen Current
DC Power Input
Exh. Air Temp.
Tuning
TRI
(+2sec)
LCD adj.
S.5
S.3
S.4S.4-1
S.4-4 S.4-3
S.5-1
S.5-1
S.5-2
S.5-2
S.5-3
Fig.3-2 Information Screens and Control Functions Structure
The OPER button alternatively changes operate and standby modes (S.4-2) while ON LINE. Please
note that Auto-Operate might be enabled. The same button activates signature list while OFF LINE.
The PREV and NEXT buttons change information screens or select control functions (S.4-4) for both
OFF LINE and ON LINE.
The ON/OFF button alternatively switches OFF LINE and ON LINE states of the amplifier.
You can proceed in one of two directions:
a) You can use the OFF LINE information screens and control functions. They refer to the auto-protection
signatures list, LCD contrast and backlighting control, as well as the Auto-Operate feature. This is
described in S5.
b) You can turn on the amplifier and begin the warm-up sequence. After 2.5 minutes you may tune and
start operating the amplifier and you can use the ON LINE information screens or control functions
(see below).
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