BIRD THRULINE 4020 series, Инструкция

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Maintenance
43
Functional Test
This test determines whether the power meter or the sensor is malfunction-
ing.
1. Tu r n t h e power m et er off. The ON/OFF switch on the panel should be
OFF and the ac power cable should be connected.
2. Tu r n ON t h e ON /OFF switch on the panel of the meter.
3. Wh ile h oldin g down t h e F WD a n d SWR push buttons, press the ON/OFF
button on the
panel of the power meter. Immediately release all
three.
The unit tests the display on power up cycling through and activat-
ing each segment two times and then activating all segments at
once two times.
vision date should scroll across
layed instead, then the meter is
malfunctioning.
revision date should scroll across
the display. If a dash is displayed after the power meter data, then the
power sensor is malfunctioning.
IE E E -488 In t er fa ce
does n ot r espon d t o t h e
in t er fa ce lin k Ar e t h e a ddr ess in t h e in t er fa ce
pr ogr a m a n d t h e a ddr ess set t in g on
t h e DIP swit ch es on t h e in t er fa ce
m odu le t h e sa m e? Ch a n ge t h e pr ogr a m or DIP
swit ch set t in g so t h a t t h e
t h en ch eck t h e st a t u s. Does t h e
power m et er fa il t h e self t est ?
Repla ce I/O h u b P CB
Is t h e IE E E ca ble defect ive? Repla ce IE E E in t er fa ce ca ble
RS-232 In t er fa ce does
n ot r espon d t o t h e
in t er fa ce lin k . F a ils J 0
self-t est com m a n d. Ar e t h e DIP swit ch es set cor r ect ly? Set DIP swit ch es
Is t h e RS-232 ca ble defect ive? Repla ce RS-232 in t er fa ce ca ble
Wit h t h e RS-232, t h e
power m et er displa ys
oper a t e a s expect ed.
Is DIP swit ch 2 set cor r ect ly? F or
Is DIP swit ch 1 set cor r ect ly? Set DIP swit ch 1 a s in dica t ed in
F igu r e 25
Figure 35
Test Display,
No Malfunction
Model
Number
Software
Rev. Date
Model
Number
Software
Rev. Date