User Manual

TR-800 Service Manual
-18-
35 RPT/O O RPT signal output Active: H
36 KEYBL O Keypad backlight control Active: H
37 Rx Tone/I I Slave radio signal input Active: L ()
38 SETUP/I I SETUP signal input On: H (rising edge trigger)
39 OPT/I I OPT key input Active: L ()
40 RPT/I I RPT key input Active: L ()
41 DN I DN key input Active: L ()
42 UP I UP key input Active: L ()
43 SCAN I SCAN key input Active: L ()
44 MONI I MONI key input Active: L (external pull-up resistor
connected)