6. Maintenance & Check 47
䇸KEY UNIT䇹
䊶Make KEY UNIT a yellow display, press or the [ENT] key, and the operation unit self test starts.
䍃When the key on the operation panel is pressed, the name of the pressed key is displayed.
However, it returns to the self test menu when the [CLR] key is pressed, and the [CLR] key is judged.
䇸PRINTER TEST䇹
䊶Make PRINTER TEST a yellow display, press or the [ENT] key, and the test pattern is output (print).
This example is printed by NKG-91 option printer.
䇸ALARM TEST䇹
Make ALARM TEST a yellow display, press or the [ENT] key, and select it from the following, set
content.
Set content 㧦OFF/DEPTH ALARM/SYSTEM ALARM
When DEPTH ALARM is selected, and the depth alarm is set according to the following procedure, the
test starts.
㨯Menu ALARM" DEPTH ALARM" ALARM CONT" ON" [ENT] key
㨯Menu ALARM" DEPTH ALARM" ALARM SETTING" "A depth value that is deeper
than 1/2 of the scale values is set" [ENT] key.
䊶When the sea bottom lost alarm is set according to the following procedure after SYSTEM ALARM is
selected, the test starts.
䍃Menu 㵰ALARM" 㵰SYSTEM ALARM" 㵰DEPTH LOST" 㵰ON" and [ENT] key
䍃Set it to 㵰OFF" after ALARM TEST finishes.
䊶When the [CLR] key is pressed, it returns to the self test menu.
䊶 Return 㵰DEPTH ALARM" and 㵰SYSTEM ALARM" to original setting.
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