Ricoh G157 Service Manual page 185

MAINTENANCE MODE
Selectors 5 and 6: Inter-digit pause
These selectors set the inter-digit pause [B] in pulse dialing.
(Example: If "1," "2," and "3" are dialed when N is set by selectors 1 and 2.)
"1" "2" "3"
[B]
G157S502.WMF
Selector 7: Switching between pulse (DP) and tone (PB) dialing, by the function
switch
This selector determines whether the dialing mode can be switched between the
pulse (DP) or not and tone (PB) dialing by using the function switch.
Selector 8: Default dialing mode, pulse (DP) or tone (PB) dialing
This selector sets the default dialing mode (pulse dialing or tone dialing) which can
be changed by the function switch. If the user switches it with the function switch
when selector 7 is set to "0," the setting specified by this selector will also be
switched automatically.
SM 5-41 G157