User's Manual
68
a) ROM
-----------------------------Indicates the ROM status.
b) RAM --------------------------------
Indicates the RAM status.
••
Backup memory--------------
Indicates the backup memory status.
••
Transmit trigger -------------
Indicates the signal line status for the trigger signal sent from the scanner
unit.
e
•
Bearing pulse------------------
Indicates the signal line status for the bearing signal sent fron the scanner
unit.
f) Heading pulse-------------------
Indicates the signal line status for the bow signal sent from the scanner unit.
g) +5V voltage----------------------
Indicates the reference voltage status of the video circuit and its voltage
value.
(at video circuit)
(normally about 5 V)
h) High voltage(at SU)----------
Indicates the status of th high voltage supplied from the display unit to the
scanner unit and its voltag value (normally about 250 V) at scanner unit.
i) High voltage(at DU) ----------
Indicates the status of th high voltage supplied from the display unit to the
scanner unit and its voltag value (normally about 250 V) at display unit.
j) Magnetron current
----------Indicates the status of the anode current flowing in the magnetron and its
current value.
k) Tuning voltage
--------------Indicates the status of the voltage used for tunning and its voltage value.
l) Cumulative usage time
----Indicates the cumulative time your radar is used.
OPERATE
: Duration of time during which the power supply is turned on.
TRANSMIT
: Duration of time transmitting.
m) ROM version
----------------Indicates the ROM software version.
n) Front-panel keys
------------As you press any front-panel key when the SYSTEM CHECK screen is on,
the corresponding key is highlighted on the screen by displaying it in reverse
video.
RNG U
RNG D
BRILL
AUTO
GAIN
STC
FTC
1
2
3
4
5
6
7
MOB
POWER
n)Indicates the operation
s
tatus of front-
p
anel ke
y
SYSTEM CHECK screen
ENTMENU
Indicates the control knob status.
Indicates the cursor status
.
CONTROL KNOB
SYSTEM CHECK
MEMORY CHECK
a) ROM
--------------------------------------- > ROM OK
b) RAM
---------------------------------------- > RAM OK
c) Backup memory
----------------------- > BACKUP OK
SIGNAL CHECK
d) Transmit trigger
----------------------- > (1) TRIGGER OK
e) Bearing pulse
-------------------------- > (2) AZIMUTH OK
f) Heading pulse
-------------------------- > (3) HM OK
g) +5Vvoltage(at video circuit)------
> (4) +5V OK 5.2V
h) High voltage(at scanner)
---------- > (5) H.T. AT SU OK 253.2V
i) High voltage(at display)
------------- > (6) H.T. AT DU OK 253.2V
j) Magnetron current
--------------------- > (7) MAG. CUR. OK 2.1
k) Tuning voltage
------------------------- > (8) TUNE OK
l) Cumulative usage time
-----------> HOURMETER
Operation time
--------------------- > OPERATE 12.0H
Transmit time
---------------------- > TRANSMIT 10.3H
m) ROM version
-----------------------> ROM VERSION V1.00
PRESS POWER KEY TO RETURN