Specifications

P25 Development Guide

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GS H

[Name] Set the time to immediately power off

[Format] ASCII GS H n

HEX 1D 48 n

Decimal 29 72 n

[Range] 0<=n<=59

[Description]

Let the P25 immediately power off after this time, unit is second, P25 will

immediately power off after this time.

GS t

[Name] Control BlueTooth discovery mode

[Format] HEX 1D 74 n

[Range] 0<=n<=2

[Description] 1b 74 00 Forever discover

1b 74 01 Mode key (BT discover would enable when mode key is pressed or in 90

seconds since mode key just released)

1b 74 02 One Connect (BT discovery enable when P25 first power on, and

disabled after first BlueTooth connect)

This command only support those P25 equipt with new version BlueTooth module,

set result save to flash, customer could display it by self test printing. If P25 equipt

with old BT module, self print would display “Inctrl BT”, its act like “One Connect”

mode of new BT module.

In “mode key” mode, if P25 in indiscoverable state, press mode key would cause

blue LED flash, if P25 already in discoverable state, press mode key would not

cause blue LED flash. If P25 entered sleep mode, press mode key would not

awake P25, and cannot change P25 to discoverable state.

GS {

[Name] Set default font (only set to flash, font would not active immediately)

[Format] HEX 1D 7B n

[Range] 0x00 <= n <= 0x01

[Description] 1d 7B 00 Set default font to 32 dot font (this is factory setting)

1d 7B 01 Set default font to 24 dot font

GS ( E

[Name] Set UART 1(serial port or USB port) Baud Rate

[Format] ASCII GS ( E pL pH fn a d1…dk

HEX 1D 28 45 pL pH 0B 01 d1…dk

[Range] 3<=(pL+pH*256)<=8

fn=0x0B

a=0x01

0x30<=d<=0x39

1<=k<=6

[Description] Set the UART1 Baud Rate.

UART1(Serial port or USB port) default Baud Rate is 115200