ἀποβάθρας, ‘gangways’, here ‘boarding-bridges’. Clearly the Greeks intended to fight in the old-fashioned way by boarding (Thuc. i. 49), not trusting to the new manœuvres. For these cf. vi. 12 n.
συνθήματος, ‘watchword’ in battle or on the march, usually the name of a deity; cf. Xen. Anab. i. 8. 16; vi. 5. 25; vii. 3. 39.
Ἥρης is an almost certain conjecture, as the famous Heraeum (ch. 96. 1 n.) had been the starting-point of the Greek fleet, and stood behind their line of battle.
The passage appears to be an interpolation modelled on viii. 22. At least ἔπειτε ἀνενειχθέντα and ἀπίστους τοῖσι Ἕλλησι, ‘mistrustful of the Greeks,’ are suspicious phrases.