Furuno FM-8900S Operator's Manual page 104

APPENDIX 1 MENU TREE
Remote handset HS-8900(-W)
MENU key
REGION (INT'L, USA, CANADA, INLAND-W*, PRIVATE)
MEMORY CH (ON, OFF)
INTERCOM
AUDIO
DAILY TEST (Display the test results for FM-8900S)
VERSION (Display the program versions for FM-8900S and HS-8900)
AP-2
KEY CLICK VOLUME (0 (OFF) - 3, 2)
EARPIECE LEVEL (1 - 3, 3)
OFF HOOK SPEAKER (SP_ON, MUTE)
*: This menu item appears according to the setting
of the [SERVICE] menu in the FM-8900S.
Bold: Default setting