User's Guide

___________________________________________________________________________

User Guide

___________________________________________________________________________ 22

TFF-2220-00AA and TFF-2221-00AA User’s Guide D1436 Rev B

4.3 Turning WhereCall IV Off

The WhereCall IV can be switched to the Power OFF mode from either CALL mode or

SWITCH mode. In order to do this, press and hold the button until the display shows

******** and then release the button. The display will show the tag firmware version TAG

2109 for a few seconds and then show the PIC Microcontroller firmware PIC 1017 version

for a few seconds, the show PWR OFF . Note that the displayed version number may differ

than those shown above. The WhereCall IV is now OFF and all transmissions are disabled.

The magnetic receiver in the tag is also disabled.

4.4 Switching WhereTag IV Modes

To change modes between CALL mode and Switch mode or visa versa, press and hold the

button. After about 5 seconds, the display will show ********. DO NOT release the button

while the display shows ********, but continue to keep the button depressed until the display

shows:

CALL ? if the WhereCall IV is currently in SWITCH mode

- SWITCH ? if the WhereCall IV is currently is CALL mode.

When either of these is displayed, release the button , and then press and release the button

again within five seconds. This will change the operational mode.

If the WhereCall IV has been changed from CALL mode to SWITCH mode, the tag will send

SW ID 1 with status 4 and the display will show - OFF --.

If the WhereCall IV has been changed from SWITCH mode to CALL mode, the tag will send

SW ID 0 with status 2 and the display will show CALL .