L7089 / L7189 5.4 GSM Test Commands 15XX# 36XX# 98# of 48 European Customer Services 24 This is a list of Level 1 and 2 Test commands available to L7189 GSM Test Commands Table 6.1K Teyes St ecqoumemncaends Test Function/Name #(hold down for 2 seconds) Enter manual test mode 01# Exit manual test mode 07x# Mute RX audio path 08# Unmute RX audio path 09# Mute TX audio path 10# Unmute TX audio path 15x# Generate tone 16# Mute tone generator 19# Display S/W version number of Call Processor 20# Display S/W version number of Modem 36# Initiate acoustic loopback 37# Stop test 38# Activate Mini SIM 39# Deactivate Mini SIM 43x# Change audio path 47x# Set audio volume 51# Enable sidetone 52# Disable sidetone 57# Initialize non-volatile memory 58# Display security code 58xxxxxx# Modify security code 59# Display lock code 59xxx# Modify lock code 60# Display IMEI 99# Display all display pixels 90# Vibrator 0 or Omitted Full Rate 91# Ringer 1 Enhanced Full rate 2 Half Rate 20# GSM 1800 21# GSM 900 22# GSM 1900 (PCS) 23# Dual Band 900 / 1800