ashtech ZY-12 Information Supplement page 110

7. Pull the paper tape through the KOI-18.
8. Turn the KYK-13 command knob to OFF.
9. Press the load INIT switch on the KYK-13. If the key was loaded successfully,
the load indicator light on the KYK-13 will flash.
10. If more keys are needed to be loaded, turn the selection knob on the KYK-13
to the desired buffer, and start again at step 3.
To Load Keys from the KYK-13 into the receiver, perform the following steps:
1. Insure the receiver is on and in INIT or NAV mode, and that the correct date
and desired mission duration have been entered.
2. Connect the KYK-13 to the interface box.
3. Turn on the KYK-13 selection knob to the desired buffer.
4. Turn the KYK-13 command knob to ON.
5. Press the Start Load sequence switch on the interface box. Wait at least five
seconds. If the key was loaded successfully, the load indicator light on the
interface box will flash.
6. Turn the KYK-13 command knob to OFF.
7. If more keys need to be loaded, turn the selection knob to the desired buffer
and start at Step 4.
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ZY-12 GPS Receiver