ZETRON Model 25, Product Manual, Page: 33 / 147

Operation
025-9567E 25
6. Is last call a custom call with alert?
:Yes - Print alert
Generate 3 seconds of alert
7. Open audio relay
Print time (if time clock installed)
Print bar
Issue one beep
8. Wait one second for another send
Send command received?
:Yes - Process send again at step 1.
9. Open PTT relay
Open control relays
Instant Call Generated
1. Block 0 (call stack)?
:Yes - Print “I-C STACK”
2. Display “Send”
Print “SEND 0”
Print time (if time clock installed)
3. Is call stack empty?
:No - Get next call from call stack
Display call number
Is call valid?
:No - Print call number
Print “?”
Issue two beeps
Go back to step 3.
:Yes - Print the control relays if they changed
Momentary channel select mode?
:Yes --> MOMENTARY SELECT
:No --> DIRECT KEYING
Is channel busy used and busy timed-out?
:Yes - Skip to step 5.
Print call number
Close audio relay
Wait 100 millisecond
Generate encoding tones
Wait the programmed inter-page gap (stack delay)
Go back to step 3.