Inovonics Wireless Corporation 3B64X9RU1 User Manual

2/1/18 06536E © Inovonics, 2018 - www.inovonics.com 

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3. Use the ACC680 alarm clearance card or a quarter to turn the battery 

door to line up the arrow on the battery door with the arrow under the 

locked padlock icon.

 Figure 3  Battery door in the locked position
4. Press the activation button for at least one second.

• The red LED will flash and the pendant will vibrate, indicating that an 

alarm has been sent. (For more information, see section 3.1, “Send an 

5. Clear the alarm sent when you activated the pendant per section 3.2, 

The transmitter sends a check-in message to the receiver or gateway every 

60 minutes for the purposes of supervision. The transmitter must be 

registered and supervised.
Caution: The EN1221S-60 waterproof pendant must have a supervision 

window of no more than 12 hours to help ensure discovering a missing 

device within 24 hours.

Each transmitter has a unique factory-programmed identification number. 

Refer to the receiver or gateway's installation instructions for details on 

registering and setting up supervision.
6. When prompted by the receiver or gateway to reset transmitter, press 

the activation button, and then clear the alarm per section 3.2, “Clear an 

Caution: The transmitter should be tested after registration to ensure 

operation. See section 6, “Test the Transmitter”.

The pendant transmitter can be worn in three ways:

• Around the neck with the neck lanyard, which is included with the 

waterproof pendant with neck lanyard.

Caution: The neck lanyard included with the waterproof pendant is 

designed with a breakaway feature for user safety. Substitution of a 

stronger cord or chain may result in injury to the wearer.

• On the arm with the wristband, which comes attached on the 

waterproof pendant with wristband.

• On the belt, using the optional ACC683 belt loop attachment kit.

To attach the neck lanyard:
7. Secure the lanyard to the pendant’s attachment loop with a simple girth 

hitch knot.

 Figure 4  A simple girth hitch knot
8. Adjust the neck lanyard to the wearer’s neck size.

• Pull both slide adjustment tabs on the lanyard to reduce the length of 

the cord.

• Pull both sides of the lanyard cord to increase the length of the cord.

 Figure 5  Adjust the neck lanyard

The wristband comes attached to the waterproof pendant with wristband. 

The wristband is a standard 16mm width, allowing for replacement with a 

wristband of the user’s choice. The standard length wristband is designed 

to fit wrist circumferences from 5.5 to 7.5 inches; the long wristband is 

designed to fit wrist circumferences from 6.5 to 9.25 inches. 
Note: Replacement wristbands must be of a similar thickness to the 

provided 16mm wristband. Metal expansion bands will not attach reliably to 

the device.

To send an alarm:
1. Press the activation button for at least one second. 

• When activated, the pendant will vibrate briefly and the red 

transmission LED will blink rapidly for the first five seconds, and then 

slowly until the alarm is cleared.

Note: After sending an alarm, an end user can send a subsequent alarm 

once ten seconds have elapsed, even if the initial alarm has not been 

cleared on the device.

There are two ways to clear an alarm:

Note: The ACC680 alarm clearance card is an optional accessory sold 

separately.

1. Place the dot on the ACC680 alarm clearance card over the activation 

button.

• The red transmission LED will cease flashing and the blue alarm clear 

LED will flash quickly six times to indicate the alarm has cleared.

 Figure 6  Place the alarm clearance card over the activation button

1. Press the activation button three times, quickly.
2. When the blue LED flashes twice, press the activation button three 

more times, quickly.

• The blue alarm clear LED will flash quickly six times to indicate the 

alarm has cleared.