3
4. Frequency Selection and
App Operation
Selecting the ISFM22 Frequency
The factory-set operating frequency is 88.3 FM. If an alternate frequency is desired, the
frequency may be easily adjusted using the selector switch on the side of the module (see
illustration). For full frequency tuning control, visit the app store to download the free app for
TranzIt BLU.
5. Bluetooth Pairing and Connecting
To pair your iPod or iPhone with the ISFM22 (this is only required the first time you use the
TranzIt BLU, after being paired, it will automatically reconnect with your iPod or iPhone
when returning to the vehicle)
A. Turn the vehicle on.
B. Open your device’s Bluetooth settings menu, and search for new
Bluetooth adaptors.
C. Select the device called “TranzItBLU”. Choose “Connect”
Note: If pairing is not successful within the first 2 minutes after turning the vehicle on, cycle
ignition off, then begin again at step A
Connecting to a radio equipped with an RCA auxiliary audio input
to auxiliary audio
input on back of radio
iPod or iPhone
(not included)
switched accessory
ground
Connecting to any FM equipped radio
Antenna In*
Antenna Out*
ISFM22
app
| 106.3 | 88.3 | 87.9
Side of
ISFM22
controlled
Loop plug
Optional toggle switch
switched accessory
ground
Antenna In*
Antenna Out*
ISFM22
Loop plug
Optional toggle switch
iPod or iPhone
(not included)
6. Troubleshooting
Symptom
Cause
Remedy
No Audio from the iPod or
iPhone
1) The radio is not set to the
correct station
Tune to the default frequency: 88.3FM
2) Device is not paired
Please reference section 5
for device pairing.
Cannot access regular
FM stations
ISFM22 is active.
Pause the iPod or iPhone, and wait 8
seconds.
Access the ISFM22 App, and select the
OFF option.
Audio is distorted
The input from the android
source is too loud.
turn down the volume on the iPod or
iPhone until distortion is no longer
heard.
Can not find TranzIt BLU
when searching bluetooth
devices
The TranzIt BLU is no longer in
pairing mode (lasts 2 minutes
after key on)
Turn the vehicle off, then back on again,
try to pair within the first 2 minutes of
key on.
Message appears on
iPod or iPhone device If
a message appears on
your device sating “Pairing
unsuccessful” Make sure
“TranzIt BLU” is turned
on, in range, and is ready
to pair.
The device did not properly
establish a bluetooth connection
Press "Connect" again. If pairing
continues to fail, cycle ignition off, back
on and try pairing again.
