MDP-621/641/640 Chapter 10
Operation manual MENU operation
a) ROM Indicates the ROM status.
b) RAM Indicates the RAM status.
c) Backup memory Indicates the backup memory status.
d) BATTERY Indicates the backup memory battery status.
e) +5V voltage Indicates the reference voltage status of the video circuit and its voltage
value. (normally about 5V)
f) +12V Indicates the +12V voltage status. (normally about 12V)
g) CHART1 Map number stored in Map Card 1
h) CHART2 Map number stored in Map Card 2
i) RADAR Indicates the Scanner type ex.4KW RADOME
j) TRIGGER Indicates the signal line status for the trigger signal sent from the
scanner unit.
k) AZIMUTH Indicates the signal line status for the bearing signal sent from the
scanner unit.
l) HM Indicates the signal line status for the bow signal sent from the
scanner unit.
m) H.T. AT SU Indicates the status of the high voltage supplied from the display unit to
the scanner unit and its voltage value (normally about 250V) at scanner
unit.
n) H.T. AT DU Indicates the status of the high voltage supplied from the display unit to
the scanner unit and its voltage value (normally about 250V) at display
unit.
o) MAG CUR Indicates the status of the anode current flowing in the magnetron and
its current value.
p) MAG HEATER Indicates the status of the magnetron heater voltage.
q) TUNE Indicates the status of the voltage used for tuning.
r) MOTOR Indicates the status of the voltage used for motor.
s) HOURMETER Indicates the cumulative time your radar/plotter is used.
OPERATE Duration of time during which the power supply is turned on.
TRANSMIT Duration of time transmitting.
t) ATA Indicates the ATA software version.
u) ROM1 Indicates the system ROM1software version.
v) ROM2 Indicates the system ROM2 software version.
w) FRONT PANEL KEY 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.
0093161022-06 10-19
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