Test Modes; Transmitter Test Modes - Globalstar ST150 User Manual

9150-0125-01 R-4

10 TEST MODES

10.1 TRANSMITTER TEST MODES

The following 3 Test Modes are supported to verify Transmitter capabilities:
CW Test Mode (0x01)
•
AT+TXTESTMODE = 1
CW_MODE Mode // Send out an un-modulated carrier for 30 seconds
The CW Test Mode command requests the device to enter the CW test mode. This will cause the device to
output a CW signal for 30 seconds after which it will turn off the RF output and return to sleep mode.
•
Send Test Packet (0x02)
AT+TXTESTMODE = 2
TEST_PACKET Mode // Send out a single 9-byte test packet
The Send Test Packet command requests the device to transmit a single test packet. This test packet
consists of the following payload: 0x80AAFOFOFOAAFOFOFO
•
Modulation Test Mode (0xFC 0x03)
AT+TXTESTMODE = 3
3 = MOD_MODE // Send out a modulated carrier for 30 seconds
The Modulation Test Mode command requests the device to enter the Modulation test mode. This will cause
the device to output back-to-back test packets continuously for 30 seconds after which it will turn off the RF
output and return to sleep mode.
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