Inter-M ARM-911 - Manual (Page 20)

AUTOMATED REMOTE MESSAGE
17 ARM-911
8. RM Setting
Password of RM-911D or RM-911W can be set. To use password, check the use box. Type in 4 digit (0, 1, ..., 9)
of password and press the Set button.
If password is set, then the password have to be entered before select the INSTANT PLAY button on
RM-911D or RM-911W and select the TALK button.
If the entered password is not correct or does not entered, then the IN USE LEDs which are on RM-911D/W
are blinking. In this case, after the IN USE LEDs are off enter the correct password.