Onwa KR-1338, Service Manual

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2.4 Different Points of Similar PCBs
1. How to set SPU (MAIN 0910) Board
This board is set at factory for use in the KR-1338. For use in the or 1668, change
the factory menu as below.
While pressing and holding down the GAIN(HM-OFF) control, press the [MENU]
key five times to display the factory menu.
1) MAX range
36 nm: KR-1338, 48 nm: KR-1648, 64nm: KR-1668
2) Type
R: Regular, G: German, N:Netherland, K:Korea
3)Model
Selects the Antenna Unit.
KR-1338 KR-1648 KR-1668
4)Language
CHN
: Chinese English
5)Default Setting
Default settings (except factory menu) can be restored by selecting Default Setting
and pressing the [ENTER] key three times. Restart radar settings. After changing
the setting, the installation adjustment (heading, timing, etc.) Must be carried out
again.
2.MODULATOR board MOD-0904 A/B
E version of MOD-0904 is not compatible with A version. This is because B has a
larger pulse transformer.
[Factory MENU]
1. Max Range 36 48 64
2. Typ e R G N K
3. Model KR-1338 KR-1648
KR-1668
4. Language ENG CHN
5. Default Setting ENTER 3
<Press MENU key to escape >
M1338-SME-09D
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