User's Manual
6#675
The status LED indicates the terminal registration state or any error conditions:
RED YELLOW GREEN
ILLUMINATED
• No signal
• Not registered
• No SIMcard
DTR present on data
port
Unit registered and
can place a call.
FLASHING
Firmware upgrade
mode active
Data call in progress Call in progress
OR
Transceiver Upgrade
Mode
ALTERNATING
Red/Yellow - Short circuit on SAT antenna input
Red/Green - Short circuit on GPS antenna input
Red/Yellow/Green - System error
Yellow/Green - Short on “Instant Message or Ring alert/Audio
system mute” output*
* NOTE: The Red or Black wire of the “Instant message port” or “ring alert / audio system
mute” wrongly connected to positive supply voltage input could cause over-current
condition. The output will be automatically disabled when this condition is detected, and
an error written to the log.
2'%+#./1&'51(12'4#6+10
Firmware upgrade mode
• In rmware upgrade mode STATUS LED will turn solid YELLOW. All
other LEDs will be o. Entering this mode will be accompanied by a
long beep followed by three short beeps.
Transceiver (USB bridge) mode
• In this mode all LED’s will ash GREEN.
STATUS LED
1. Status LED
FEATURE BUTTONS
2. Instant Message button
3. UP volume button
4. DOWN volume button
5. Mute button
6. Speakerphone button
7. Tracking button
4
6
3
2
5
1
7