Canon FAX-L160 Reference Manual page 23

P [System Monitor] key
Press to check the sending status, print status, sending/receiving
status, available memory, or printing/scanning count.
Q [Address Book] key
Press to search pre-registered destinations under one-touch
speed dialing keys or coded speed dialing codes by name.
R [Coded Dial] key
Press to specify recipients registered under coded speed dialing
codes.
S [Image Quality] key
Press to select image quality for copy or fax.
T [Hook] key
Press when you want to dial without lifting up the optional
handset or the handset of an external telephone.
U [Redial/Pause] key
Press to redial the last dialed number, or press to insert a pause
when entering a fax number.
V [R] key
Enter when dialing an outside number through a switchboard.
W Numeric keys
Use to enter letters and numbers.
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