I can provide more specific for the original model or keypad programming codes for the PRO version if you can confirm which one is on your desk. Old HF Marine radio for Ham Radio: IC-M700 : r/HamRadio
Older HF radios can drift in frequency as they warm up. icom m700 mods
Description: NEW HM-180 replace old model EM-101 Hand Microphone For IC-M700 IC-M710 IC-M700PRO IC-M600 (equal EM-48 or HS-50 mic, Let's MOD the Icom IC-9700 for Big Jim! I can provide more specific for the original