AirPrime and HL7548 AT Commands Interface Guide Rev10 0

Table Of Contents
4116303 Rev 10.0 August 10, 2017 112
AT Commands Interface Guide
Mobile Equipment Control and Status
Commands
HL7518
AT+KRIC?
+KRIC: 1,1
OK
AT+KRIC=2 // RI activated on SMS
OK
AT+KRIC?
+KRIC: 2,1
OK
5.53. +KSYNC Command: Application
Synchronization Signal
Note: For HL7548 only.
HL7548
Test command
Syntax
AT+KSYNC=?
Response
+KSYNC: (list of supported <mode>s),(list of supported <IO>s),(range of <Duty
Cycle>),(range of <Pulse Duration>)
OK
Read command
Syntax
AT+KSYNC?
Response
+KSYNC: <mode>,<IO>,<Duty Cycle>,<Pulse Duration>
OK
Write command
Syntax
AT+KSYNC=
<mode>[,<IO>
[,<Duty Cycle>
[,<Pulse
Duration>]]]
Response
OK
Parameters
<mode> Operation mode
0 Disable the generation of synchronization signal
1 Manage the generation of signal according to <Duty Cycle> and <Pulse Duration>.
The waveform of the signal is controlled by these two parameters; network status will
not affect the waveform
2 Manage the generation of signal according to CS network registration status;
PERMANENTLY OFF Not registered/Initialization or registration denied/no SIM
card
600 ms ON / 600ms OFF Not registered but searching
75 ms ON / 3s OFF Connected to the network
<Duty Cycle> and <Pulse Duration> are not used in mode 2
<IO> 1 – 8, 10, 11, 15 GPIO used as output
<Duty Cycle> 1 – 100 Duty cycle; only used in mode 1. Default value = 50
<Pulse Duration> 5 – 65535 Pulse duration in milliseconds; only used in mode 1.
Default value = 1000