LED indicators for the base board function relays (LEDs 1–9)
NOTE!These LEDs are found in the following receiver models:
TG-R4-6, TG-R4-8, TG-R4-10,
TG-R4-36, TG-R4-38, TG-R4-40
On the expansion board, LEDs 1–9 provide feedback information about the stop relays (SR1–2) and the
function relays (R1–R7) on the base board, hidden behind the expansion board. The LEDs light when
the corresponding relays on the base board are activated.
LED 1 = relay 1
LED 2 = relay 2
LED 3 = relay 3
LED 4 = relay 4
LED 5 = relay 5
LED 6 = relay 6
LED 7 = relay 7
LED 8 = (not used)
LED 9 = stop relays 1–2
CAN expansion board
NOTE! This expansion board is fitted in the following receiver models:
TG-R4-26, TG-R4-28, TG-R4-41, TG-R4-43, TG-R4-45
1. Terminal block for internal power supply
2. Programming connector
3. Power LED
4. CAN run LED
5. CAN error LED
6. Terminal block for CAN signals
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