ii
TA-990 DIAGRAM
Front
1.
Switch knob
•
Short Press to power on
•
Rotate clockwise to increase volume
•
Rotate anti-clockwise to decrease volume
•
Press and hold to power off
2.
SOS key - Press and hold for 3 seconds or until SOS message
broadcast
3.
Aviation Connector
4.
Menu key - Select and confirm key
5.
Up key - Move selection up
6.
Down key - Move selection down
7.
Back key - Returns to previous screen
8.
P1 key - On group select screen monitor group
9.
Status LED
Underneath
10.
SIM card slot 1 (Push-in-Push out lock)
11.
SD card slot (Push-in-Push out lock)
12.
SIM card slot 2 (Push-in-Push out lock)
Rear
13.
12-24v DC Power input
14.
Accessory Connector
15.
3.5mm External Speaker Jack
16.
USB 2.0 input
17.
LTE Antenna
18.
GPS Antenna
Side
19.
Bracket connector
Status LED
OPERATING STATE
INDICATION
Logging in
Blue (Rapid blinking)
Idle
Blue (Slow blinking)
Receiving
Blue (Steady)
Transmitting
Red (Steady)
Powering off
Red (Steady)
