4.3 Command $1A Details Overview

With the IC-R75 and IC-R8500, Icom introduced the cmd $1A for extended memory management, which allows reading/setting of memory names etc. Later, the IC-746, IC-756Pro, IC-910 etc. also used this command, but for more and more different options than just memories.

Before the IC-R8500 and IC-R75 were introduced the Icom command set was quite consistent. I.e. a certain command produced more or less the same results on different rigs, it was just a matter whether this command was supported or not. With the IC-R8500 and IC-R75 the CI-V command set expanded dramatically and many new functions were introduced under command $1A. This led to a situation where similiar commands adress very different functions on different rigs, making the life of a programmer much more difficult. Even more confusing, some commands are replicated, for the same functions you have two different commands on the same rig. But in the end one has to be happy that the wastly improved number of functions is available at all...

Overview of $1A subcommands

This is just an overview, you will find detailed discussion of each rig mentioned here broken down by rig in the next sections (click on column headings or proceed to 'next' section).

  IC-R75 IC-R8500 IC-756Pro IC-756Pro2/3 IC-746 IC-746Pro IC-910 IC-703 IC-7800 IC-7000
$00 R/W ext. Memory _/W ext. Memory R/W ext. Memory R/W ext. Memory R/W ext. Memory R/W ext. Memory R/W ext. Memory R/W ext. Memory R/W ext. Memory R/W ext. Memory
$01 R/W IF filter settings R/_ ext. Memory R/W Band stack registers R/W Band stack registers R/W Band stack registers R/W Band stack registers Set Satellite mem. R/W Band stack registers R/W Band stack registers R/W Band stack registers
$02 Set Mode, 33 commands _/W Bank name R/W CW Keyer memories R/W CW Keyer memories R/W CW Keyer memories R/W CW Keyer memories Set Vox gain level R/W CW Keyer memories R/W CW Keyer memories R/W CW Keyer memories
$03 - R/_ Bank name - R/W IF filter settings R/W IF filter settings R/W IF filter settings Set Vox delay Set Mode, 24 commands R/W IF filter settings R/W IF filter settings
$04 - - - R/W AGC time const - R/W AGC time const Set Anti-Vox level DATA Mode On/Off R/W AGC time const R/W AGC time const
$05 - - - Set Mode, 69(Pro2), 76(Pro3) commands - Set Mode, 77 new cmds Set Attenuation level - Set Mode, 187 new commands Set Mode, 119 new commands
$06 - - - DATA Mode on/off - DATA Mode on/off Rit on/off - DATA Mode on/off SSB Tx Bwidth
$07 - - - SSB Tx Bwidth - SSB Tx Bwidth Satellite mode - SSB Tx Bwidth DSP filter shape
$08 - - - - - DSP filter shape simple bandscope - DSP filter shape Select Manual Notch Filter1 Width
$09 - - - - - - - - Select Roofing Filter Select Manual Notch Filter2 Width
$0A - - - - - - - - Select Manual Notch Filter Width R/W 9600bps mode On/Off
$10 - - - - - - - - Lock Function Set -

The command details for individual rigs have been split into individual sections, one for each rig (more or less). See: