JRC JMA-9922-6XA Instruction Manual page 325

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Message Area (on display lower right)
"ISW END"is blinking and an alarm buzzer sounds.
ISW Menu (Pattern Diagram)(on display center)
The selected pattern deagram is blinking for about 5 seconds, and if it is
established, the pattern is selected.
Note that if the seitchover fails, the selected pattern will not appear. The
blinking is stopped after about 5 second and the previous pattern diagram
will reappear. In this case."ISW TIME OUT"will appear on the message area
on the lower right of the display and an alarm sound is given.
In this state, re-select the pattern diagram and seitch over the units. If the
re-selection fails, contact JRC service depot.
Pre-heat Time Countdown (on display center or the upper part)
When the seitchover operation is completed, the timer at the display center
or the upper part will start the countdown. At this time, the radar operation
state at the upper right of the display indicates "PREHEAT".
If the count "0:00" is indicated, the indication at the upper right on the
radar display is changed from "PREHEAT" to "STANDBY".
The ISW Menu will be closed
The Sub1 Menu will be closed
A-7